Casement window tih hian kawngkhar ang maia pawn lam hawia cranked side-hinged frame a kawk a ni. In neitute chuan he casement design hi an thlang a, chu chuan boruak thianghlim tam ber a man thei a, a chhungah boruak thianghlim a funnel nghal bawk. Heng high-performance windows te hi khar a nih chuan an seal nghet hle a, hei hian tunlai in eng pawh tan energy efficiency tha zawk a pe a ni. Single glass panels hian harsatna awm lovin a en thei a, in chhung boruak a ti tha hle. Tunah chuan Energy Star ratings hian consumer-te thil lei duhthlan tur a dictate nasa hle a, window sales volume zawng zawng hmun ngaa ṭhena hmun li aia tam a ni.
Key Takeaways te pawh a awm
Casement window chu pawn lam hawiin kawngkhar ang maiin hand crank awlsam tak hmangin boruak thianghlim tam ber a la thei a ni.
Multi-point lock hian window chu seal lakah nghet takin a hrual a, chu chuan draft, ruah leh break-ins te chu a titawp thei a ni.
Single glass panels hian pawn lam thlirna chiang tak a pe che a, bar thuk takin i mit a tikhawlo lo.
Pawn lam hawia swing sashes te hian deck railing, thing leh patio furniture atanga hla takah pawn lam hmun chiang tak an mamawh a ni.
Casement Window hriatthiamna: Design leh Operation
Casement window chu pawn lam hawiin side-hinged door ang maiin a inhawng a, chu chuan functionality mak tak tak a pe chhuak a ni. Tunlai architecture hian he casement design hi a rinchhan a, ventilation sang ber leh aesthetic elegance a neih theih nan. Engineering precision hian casement assembly zawng zawng chu home defense system nghet takah a chantir vek a ni.
Casement Window pakhata Anatomy a awm
Casement assembly hian specialized precision part engemaw zat a inzawm khawm a. I in him, vawt leh nuam taka awmtir turin piece tin hian chanvo danglam tak an nei a ni.
Core Component Breakdown Premium aluminum construction hian in te chu pawn lam boruak na tak lakah a venghim a, chutih rualin line thianghlim tak a pe bawk.
Component Hming Hming | Casement Assembly-a hnathawh tur |
|---|---|
Window Frame leh Casing te a awm bawk | Primary outer box chu structure chhungah a lut a, installation gap khuh turin casing molding hmanga thlawp a ni. |
Window Sash & Glazing te pawh a awm bawk | Glass pane (glazing) vawngtu leh side hinge-a pawn lam hawia swing thei operable moving portion (sash) chu. |
Crank Operator & Arm te pawh a awm bawk | Manual rotating mechanism leh attached extension arm hmanga sash hawn emaw, khar emaw nan hman thin. |
Hinges & Locking Mechanism hrang hrang a awm bawk | Hardware side frame-a dah a ni a, chu chuan swinging motion a ti thei a, frame kha khar a nih chuan a secure thei bawk. |
Thil siamtute hian heng architectural unit te hi high-grade aluminium profile hmangin an siam a:
Window Frame Profiles : Extruded aluminum hian structural perimeter a siam a, chutah chuan head profile, bottom sill, leh vertical jambs te a awm a ni.
Sash Framework : Aluminium stile nghet tak tak leh rail te hian double emaw triple insulated glass unit emaw a khuh a.
Glazing Beads : Aluminium stop specialized te hian glass panes te chu sash chhungah nghet takin an vawng tlat thin.
Matching Hardware : Interior stay arm leh aluminum handle te hian frame hi a thawk tha hle.
Interior Insect Screen : Thli thar a kal laiin pest te block turin inside frame ah fine mesh mount a awm.
DERCHI hian casement product zawng zawngah high-grade 6063-T5 aluminium frame a hmang vek a ni. He alloy hian structural strength danglam tak a pe a:
A sawifiahna / Feature | Dimension / Thil neih a ni | Durability Benefit a ni |
|---|---|---|
Wall Thickness a ni | 0.070' atanga 0.094' (1.8mm profile) thleng a ni. | Frame dimension lian lutuk tan chakna a guarantee |
Frame / Sill Thickness a ni | 0.125′′ (3.175mm) a ni. | Structural resilience pum pui a tichak |
Frame Depth Range a ni | 48mm atanga 109mm thleng a ni | High-rise application atana hman tlak structure nghet tak a pe |
Material tehkhin dan | Timber leh PVC aiin a tha zawk | Warping, rotting, termite tihchhiat leh rawng danglam theihna a ti bo |
Magnesium leh silicon te hian 6063-T5 aluminium ah hian metal base nghet tak an siam a. Specialized heat treatment hian mechanical hardness a tipung a ni. Heng rigid frame te hian thli loading an do thei a, kum sawm tam tak chhung chu structural deformation an veng thei bawk.
Crank Handle leh Hinge System hnathawh dan
Crank operator hian pawn lam hawia sash movement chu a tichak a. In neitute chuan room chhunga folding handle chu an herh kual a. He turning force hian steel gear mechanism chu a khalh chhuak thin. Mechanical arm hian window pane chu pawn lam hawiin heavy-duty track slide-ah a nawr a.
He pawn lam hawia kalna atang hian bang sang tak emaw, tawi tak emaw chuan hlawkna a hmu tam ber. Kitchen emaw bathroom-a slot sang tak tak te hian sliding option a tikhawtlai fo thin. Outward casement sash chuan side breeze chu room te tak teah direct-in a funnel lut a.
Heavy-duty stainless steel hinge hian glass rit tak tak a phur a, a sagging lo. A hnuaia chart hian common hinge size hrang hranga load capacity standard a tarlang a:
Class 3 Rating (EN 1191) : Opening cycle 10,000 kal zel hmangin structural integrity a tichiang.
Class 4 Rating (EN 1191) : Load hnuaia opening cycle 20,000 kaltlangin mechanical performance mumal tak a tichiang.
Inch 28-a sei heavy-duty hinge hian pound 234 thlenga rit sashes chu nuam takin a support thei a ni. Hetiang capacity sang tak hian builder-te chu oversized glass panels chu rintlak takin a dah thei a ni.
Security tihchak nan Multi-Point Locking Mechanism hman a ni
Nihphung pangngai double-hung window-ah chuan latch hook pakhat chauh a awm tlangpui. Intruder te hian awlsam takin open single-point lock te chu basic hand tools hmangin an force thei a ni. Multi-point locking hardware hian frame point tam takah a rualin perimeter a lock a.
Security lam hawi | Single-Latch Windows hmanga siam a ni | Multi-Point Locking Windows a ni |
|---|---|---|
Hmun hrang hrang Locking | Central point pakhat chauh a awm | Perimeter-ah point 3 atanga 5 inkar a ni |
Force Resistance a ni | Hmun hlauhawm tak pakhatah pressure a concentrate | Point hrang hrangah break-in force a sem darh thin |
Hlawhchhamna Risk | Hlawhchhamna point pakhat sang tak | Locking hook tam tak a awm avangin risk a tlem |
Prying Hriselna (Protection) a ni | Prying laka dodalna tlemte | Top, bottom, leh side latches hmanga resistance tha zawk |
DERCHI casement window design-ah hian patented multi-point locking system leh six-point locking mechanism te a awm a ni. Lever pakhat chauh han herh chuan sash pumpui chu weatherstripping gasket lakah a hrual nghet vek a ni. He tight compression hian ruahtui chu a seal out a, chutih rualin forced entries lakah security nasa zawk a siam bawk. Khawvel huapa security leh durability neia i tunlai architectural project tihchangtlun nan vawiin hian DERCHI aluminum solutions thlang rawh!
Casement Windows Install atanga hlawkna pawimawh tak tak
In neitute chuan hun rei tak chhunga an hnathawh dan, an hahdamna leh an himna atanga thlirin operable glass unit an thlang thin. Tunlai casement window hian standard home fixtures aiin functional advantage chiang tak a pe a ni. Heng smart design te hian heavy-duty hardware leh architectural profile mawi tak tak te chu a thlunzawm a, nunphung a thlak danglam a ni.
Ventilation leh Air Capture tha zawk a ni
Indoor air circulation dik tak chuan interior space te chu kum khat chhungin a hrisel a, a nuam bawk. Traditional double-hung leh sliding unit te chu a chanve chauh hawn a ni. Chumi danglamna chu, fully opening casement windows chuan opening space zawng zawng chu natural cooling chhunzawm zel turin a tifai vek a ni.
Wind Scoop Effect Casement window sashes te hian lawnga sail ang bawkin hna an thawk a. Pawn lam angle-a hinged open a nih chuan, sash hian pawn lam bang bula side breeze kal lai chu a man a, chu boruak current chu in chhungah direct-in a funnel emaw, a scoop emaw a ni.
He mechanical design danglam tak hian residential floor plan eng pawhah ventilation tha zawk a pe chhuak vek a ni. In neitute chuan sash angle siamrem mai maiin room bikteah boruak thianghlim an direct a ni.
360-Degree Breeze Capture : Side-hinged sashes hian parallel wall thli a scoop a, chu chu flat window glass bulah a kal tlang tlangpui.
Complete Sash Opening : Pawn lam swing hian wall opening 100% a hawng a, indoor airflow tam ber a awm theih nan.
Instant Moisture Removal : Kitchen leh bathroom-ah chuan full-frame opening hmangin steam leh humidity tam lutuk chu rang takin a chhuak thei.
Property neitute chuan an evaluate a casement window-a pros leh cons-te chuan air capture chu top operational advantage-ah an rate fo thin. Heng unit te hi bang inhmachhawn zawng zawnga dah hian cross-breez chak tak a siam a, minute tlemte chhungin indoor rimchhia (stale indoor odor) a ti bo vek a ni.
Energy Efficiency sang ber leh Thermal Seals hmanga siam theih a ni
Heating leh cooling senso hian kum khat chhunga chhungkaw senso tam tak a huam a ni. High-performance casement unit-ah hian home energy efficiency tihpun nan compression engineering danglam tak a awm a ni. Sliding unit te hian flexible brush seal an rinchhan a, chu chuan hma leh hnung a rub a, hun kal zelah a chhe vek thin. Casement sash hian a khar chuan frame chhungah a press nghet hle.
Crank operator chu a herh chuan sash chu dense rubber weatherstripping lakah a hruai nghal a. He hook-and-latch compression hian airtight seal a siam a, chu chuan boruak lum leh ruahtui khalhtu chu a block vek a ni.
Derchi window leh door engineering hian thermal technology hmasawn tak tak chu custom aluminum frame-ah direct-in a thlunzawm a:
Seasonal Temperature Regulation : Low-E glass coatings hian thla lum laiin ambient indoor warmth back inside a lantir a, thla lum laiin pawnah ni lumna a vawng reng thung.
Gas-Insulated Cavities : Triple-pane unit hian air emaw inert gas spacer emaw hmangin standard double-glazed unit aiin insulating efficiency a ti sang zawk thin.
Utility Bill tihhniam : Heng technology te hi inzawmkhawm chuan in chhunga heating leh cooling energy hmanna nasa takin a tihtlem phah a ni.
A hnuaia table hian specialized structural components-in home energy cost a tihhniam dan a tarlang a ni:
Component a ni | A rilru a buai em em a | Energy hman danah nghawng a nei |
|---|---|---|
Aluminum Profile, a lumna avanga a chhe tawh | Interior leh exterior frame inkara direct metal-to-metal contact tihchhiat nan non-metallic insulating strip (polyamide ang chi) a hmang. | Frame thermal bridging a titawp a, thlasik laiin indoor heat loss a veng a, thlasik laiin solar heat gain a veng bawk. |
Low-E Glass Coating a ni | Microscopic surface coating a nei a, chu chuan radiant thermal transfer a control thei a ni. | Thlasik laiin chhungril boruak lum tak a trap a, thlasik laiin pawn lam ni lumna a block a, thermal transfer a titawp bawk. |
Triple Glazing System hmanga siam a ni | Gas-a khat space hmanga inthen glass pane pathum a inzawm khawm. | Double-pane system nena khaikhin chuan thermal resistance tha zawk a pe a, insulation performance zawng zawng nasa takin a tichak a ni. |
Heng features inzawmkhawmte hian Derchi aluminum solutions te chu khaw lum nasa tak emaw, thlasik khaw vawt na tak emaw karah chhungril temperature stable tak a neih theih nan a pui a ni.
Unobstructed Views leh Natural Sunlight te pawh a awm bawk
Glass area lian tak takte chuan pindan thim tak takte chu hmun êng, lawmawm takah a chantir a ni. Standard double-hung window-te chuan i central line of sight-ah direct-in check rail thick tak tak an dah a. Single-sash casement design hian dividing center bars chu a ti bo vek a ni.
In neitute chuan an huan, huan, leh a chhehvêla hmun mawi tak takte chu tihbuai lohvin an hmu thei a ni. Picture-style casement frame lian tak takte hian ni êng a tipung a, hei hian nitin indoor lighting artificial hman a ngai lo.
Expansive Glass Surfaces : Aluminium framing thianghlim hian glass sheet lian tak tak a support a, horizontal meeting rail a ngai lo.
Better Visibility : Glass panel chhunzawm zel hian indoor living area leh outdoor landscape inkarah direct visual connection a siam a.
Enhanced Daylight Delivery : Ni êngin natural takin chenna hmun a tuam a, boruak lum, chakna khat a siam a ni.
Property neitute chuan architectural investment pakhat aṭangin boruak ṭha tak leh ni êng tam ber an hmu ṭhin. High-grade aluminium casement system dah hian kum sawm tam tak chhung structural comfort a humhim rualin chenna hmun mawi tak tak a siam bawk.
A tihkhawtlai leh Ngaihtuah Tak Takte
In neitute chuan building fixture thar an lei hmain pawn lam wall clearance leh interior cooling mamawh dan an zirchiang hmasa tur a ni. Smart buyers te chuan an review thin casement window-a pros leh cons te . an architectural plan an tihfel hmain Space planning dik tak chuan high-performance windows hmanga hun rei tak chhunga satisfaction sang ber a tichiang a ni.
Pawn lam Swing Clearance leh Obstruction awm thei te
Exterior space hian outward-swinging sash system tan operational hlawhtlinna a dictate a ni. Side-hinged casement panel chuan pawn lam hawiin pawn lam chenna hmun lam a pan a. Deck railing, thing hnah hniam tak tak, emaw, pawn lama patio furniture-te chuan he kawngpui inthlak danglam hi a tikhawlo thei a ni.
Installation Planning Tip
In neitute chuan kawngpui zau tak, pawn lam verandah, leh pawn lam patio buai tak tak bulah clearance zone chiang tak an vawng tur a ni.
Building planner-te chuan awlsam takin outdoor space-a harsatna awmte chu initial layout measurement dik tak hmangin an hneh thei a ni:
Casement windows te chu side pathways te tak te ah i dah hmain pawn lam clearance teh hmasa phawt ang che.
Pawn lam thing leh mau leh huan hedge te chu operable frame path atanga hla takah trim-in dah rawh.
Swiging sashes chu secondary window atanga hla takah in chhunga luhna kawngkhar buai tak bulah dah rawh.
Window Air Conditioner nena inmil lo
Traditional window air conditioner te hian structural support atan flat horizontal track an mamawh a ni. Standard sliding window hian box rit tak tak cooling unit te chu awlsam takin a handle thei a ni. Pawn lam hawia inthlak thei casement glass hian window AC unit rit tak takte chu a vawng tha thei lo. Traditional window-ah hian temporary foam filler vel ah conditioned indoor air a leak fo thin. Central HVAC system emaw ductless mini-split nei property neitute chuan he cooling conflict hi an pumpelh vek a ni. In neitute chuan energy humhalhna tha zawk, tunlai aesthetics leh security tihchangtlun nan operable windows an thlang thin. Tunlai ductless split system lama inthlak hian in neitute chuan indoor temperature control tihsan lovin high-efficiency casement options an install thei a ni. Casement window-a airtight seal tha zawk dah hian hun kal zelah chhungkaw lumna senso zawng zawng nasa takin a tihhniam a ni.
Casement Windows chi hrang hrang leh Style hman tlanglawn tak tak
In neitute chuan architectural design bik nena inmil tur operable window unit an thlang thin. Tunlai factory te hian traditional home leh tunlai building te tan versatile framing options an engineer thin.
Single leh Double Casement Configuration hrang hrang a awm bawk
Unit pakhatah chuan operable sash pakhat, a sir khatah hinged an hmang a. Hetihlai hian French double casement setup-ah chuan sash pahnih a awm a, central mullion bar awm lovin center atanga pawn lam hawiin a inhawng a ni. Interior insect screen te hi inside frame ah direct in an mount thin. He interior placement hian screen te chu pawn lam boruak khirh tak lakah a venghim a, sashes swing open hian pawnah bugs te a awm tir bawk.
Configuration / Feature hrang hrang a awm | Casement pakhat chauh a awm | French tawnga Double Casement Window hmanga siam a ni |
|---|---|---|
Sash chhiar leh hman dan | Single sash hinged a ni a, a sir khatah chuan pawn lam hawiin a inher a | Sash pahnih chu pawn lam kil hrang hrangah a innghat a, a lai atanga inhawng a ni |
Central Structure a ni | Frame pakhat chauh a awm | Central mullion nghet tak a awm lo; astragal strip a hmang thin |
View & Egress a ni | Hmun tenauah chuan standard outward opening a awm | Emergency egress atan unobstructed full-width opening a pe |
Rough Opening Width a ni | 18 atanga 36 inches inkar a ni | 36 atanga 60 inches inkar a ni |
Screening Installation tih a ni | Standard chhunga insect screen | Split screen emaw retractable interior screen emaw a awm thei |
Fixed Picture Windows nena inzawm Setups te
Architect te hian operable casement unit te chu fixed picture window te nen an inzawm khawm fo thin. Heng mixed assembly te hian natural light a ti tam ber a, chutih rualin ventilation control kimchang tak a vawng reng bawk. Central glass pane lian takah chuan pawn lam thlir theihna a awm. Operable side unit te hian thli thar chu living space ah a hruai lut thin.
Derchi Window leh Kawngkhar Custom Architectural Solutions hmanga siam a ni
Derchi window leh kawngkhar hian luxury residential leh... sumdawnna atana project hrang hrang siam a ni. An factory kutchhuak te tur custom aluminium options : architectural mamawh buaithlak tak takte phuhrukna
Dimension & Frame Modifications : Tailoring kimchang tak chu a pianzia, a size, a finish, leh a design hniam tak tak a ni.
Specialized Panel Configurations : Window bang seamless, floor-to-ceiling panel zau tak, geometric structure, panoramic roof installation, leh circular pivot mechanism te a awm bawk.
Performance Glazing Features : Low-E thermal coatings hmasawn tak tak leh soundproofing insulation bik a awm bawk.
Builder te chuan an thlang thin custom aluminium casement windows hmanga siam a ni a, a structural strength danglam tak a awm bawk. Commercial developer-te chuan regional building code khauh tak takte tihhlawhtlin nan specialized casement framing an dah a ni. Premier casement windows hian property aesthetics zawng zawng a ti sang nghal vek a ni. Architect-te chuan hun rei tak chhunga hnathawh man tihhniam nan high-performance windows an tarlang fo thin. Residential buyers te chuan indoor thermal control sang ber atan energy hmang tlem window an duh zawk. A tawpah chuan tunlai window te hian precision manufacturing hmangin in chhunga hahdamna zawng zawng a tichangtlung a ni.
Home Placement leh Style tehkhin dan tha ber
Casement Windows atan Room tha tak tak a awm
In neitute chuan in hmun bik atan casement unit an thlang fo thin. Crank handle hian countertop thuk takah innghat lovin awlsam takin a thawk thei a ni. Chuvangin, heng fixture te hi sink chunga kitchen window tha ber angin an thawk a ni. A hawnna zau tak hian rang takin steam lum leh chaw siam rimtui chu a chhuah tir nghal vek a ni. Chu bakah, heng thil siamte hian mutna kawngkhar angin mak tak maiin hna a thawk a, zan thli lum tak takte chu a man thei bawk. In siamṭhat tumtu in neitute chuan bang sang leh hmun thlen harsa tak takte tan heng functional design te hi an duh zawk a ni. In tin hian smart casement placement hmangin natural ventilation tha zawk an nei vek a ni.
Casement Windows leh Double-Hung Windows te nen an inhmachhawn dawn a ni
Window hrang hrang thlan tur chuan structural tightness leh mechanical seals te thlirlet a ngai a ni. A hnuaia table hian core differences a tarlang a:
Nihphung | Compression-Sealed Casement Unit te chu a awm a | |
|---|---|---|
Mechanism chi hrang hrang | Compression seal a awm bawk | Sliding seal a awm bawk |
Seal Engagement neih a ni | Sash hian lock a nih chuan frame seal te chu a press nghet hle | Sashes te hi vertical track-ah an kal thin |
Structural Fit a ni | Tight seal hmangin boruak leakage leh weather infiltration tih tlem nan | Movement atan track clearance a ngai |
Airtightness a nghawng dan | Weather resistance sang zawk leh draft barrier chak zawk | Track clearance tihkhawtlai hian total airtightness a ti tlem a ni |
Casement windows chuan sash chu khar a nih veleh weather seal lakah nghet takin a hrual a. Chumi kalh zawng chuan double-hung sashes chu vertical track-ah an kal a. Debris hi track-ah a pungkhawm fo a, hei hian hun kal zelah seal performance pum pui a tichhe thin.
Casement Windows leh Sliding Windows te nen an inhmachhawn dawn a ni
Casement windows te nen khaikhin chuan horizontal sliding model-ah chuan performance advantage chiang tak a awm. Casement hardware hian frame chu a press nghet hle a, sliding unit erawh chuan standard weatherstripping a rinchhan thung.
Metric hmanga siam a ni | Horizontal Sliding Model te chu a awm a | Aluminium Casement hmanga siam a ni |
|---|---|---|
Air Leakage Rate (CFM) a ni a, a chhuahna tur hmun a awm lo. | 0.3 - 0.5 inkar a ni | 0.1 - 0.2 (Hlo zawk chu a chungnung zawk) . |
Tui laka inven theihna | Standard track-a tui chhuahna tur a awm | Thli hmanga ruahtui seal tha zawk |
Average Base Price a ni | $200 – $800 vel a ni | $300 – $1,000+ vel a ni |
Dam chhung beisei a ni | Kum 30+ a ni tawh | Kum 30+ a ni tawh |
Horizontal sliding design hi a tir lamah chuan man tlawm zawk mahse, aluminium casement unit hian airtightness tluk loh a pe a ni. Side-hinged casement frame hian thlipui tleh laiin tui venhimna tha zawk a pe a ni. In neitute chuan energy save tam theihna turin casement design an thlang thin.
Tunlai in siamthatna zawng zawng hian casement window dah hian hlawkna an hmu vek a ni. Heng high-performance windows te hian seal te chu an press nghet hle a, drafts block a, view chiang tak a pe a, a chhungah boruak thianghlim funnel in boruak tha zawk a lut thei bawk. Property neitute chuan heng casement window te hi an thlan hmain pawn lam clearance leh wall layout an evaluate hmasa tur a ni. Derchi window leh door ang chi professional manufacturer te chuan custom aluminum window an supply a, hei hian energy efficiency leh security a tichak a ni. In neitu leh siamtute chuan vawiin hian an engineering team te zawt se, in eng pawh hi architectural solution nghet tak hmanga thlak danglam turin!
FAQ
Casement window hi engtin nge a thawh?
Quick Operation Guide
Casement window chu pawn lam hawiin side-hinged door angin interior crank handle hmangin a inhawng a. Handle chu herh chuan pawn lam casement sash chu a inhawng kim vek a. Property neitute chuan awlsam takin maximum side breezes an man a, pawn lam boruak thianghlim chu a chhungah direct-in an direct a ni.
Casement windows hian energy a hmang tlem em?
Nihphung | Energy Efficiency hmanga nghawng a neih dan |
|---|---|
Compression Seal hmanga siam a ni | Draft a block vek |
Awle! Heng window performance sang tak tak te hian airtight seal tha zawk an pe a ni. Crank turn hian sash chu interior weatherstripping lakah nghet takin a hrual a. He firm compression hian air leakage a titawp vek a, kum khat chhunga in lum leh cooling utility senso a tihtlem phah a ni.
Casement windows hian eng nge a thatna leh a that lohna ber?
Pros : Ventilation kimchang, weather seal tight, view zau tak.
Cons : Pawn lam atanga clearance neih a ngai.
Casement windows thatna leh that lohna te chu unmatched airflow versus exterior swing path requirements te hi a ni. In neitute chuan pawn lam thlir theihna tur casement window an dah a, chutih rualin pawn lam kawngpui chu thil tibuaitu laka fiah takin an dah bawk.
Engvangin nge window dang aiin aluminium casement design hi kan thlan zawk?
Standard sliding windows hian opening kimchang a pe thei lo. Custom aluminum frame hian in sang tak tak tan window tha zawk a siam a ni. Heng operable windows te hian thlipui rit tak tak chu awlsam takin an handle thei a ni. In neitute chuan aluminium window hi an duh zawk a, a chhan chu in venhimna a tichak a ni.
