Lub rooj zaum muaj feem ntau ntawm plaub yam tseem ceeb: thav duab, txheej txheej, ntaub upholstery, thiab cov qauv kev txhawb nqa. Txhua yam cuam tshuam rau lub rooj zaum kev nplij siab, durability, thiab tag nrho cov neeg siv kev paub. Tsuas yog los ntawm kev sib raug zoo ntawm cov khoom no tuaj yeem ua lub rooj zaum kom ruaj khov thiab ruaj khov thaum ua tau raws li qhov xav tau ntawm txhua hnub zaum thiab reclining.
Lub thav duab ua lub hauv paus-tseem ceeb yog "skeleton"- ntawm lub rooj zaum. Cov ntaub ntawv muaj xws li cov khoom siv ntoo, cov ntoo ntoo (xws li plywood), thiab hlau; cov khoom ntoo yog tshwj xeeb tshaj yog nyiam los ntawm cov neeg siv khoom rau lawv cov khoom zoo tshaj - bearing peev thiab stability. High-cov thav duab zoo tau txais kev kho mob zoo li kiln- ziab thiab tiv thaiv- kev ua haujlwm rot, ua rau lawv tiv taus kev sib tsoo lossis tawg thiab ua kom lub rooj zaum ntev ntev.
Cov txheej filling txiav txim siab lub rooj zaum zaum xis. Cov ntaub ntawv sau ntau hauv khw muaj xws li siab - ua npuas ncauj ntom ntom, latex, down, thiab nco ua npuas ncauj. Each material has distinct characteristics: high-density foam offers excellent resilience, latex is soft and breathable, and down provides a plush, airy feel. Ntau qhov nruab nrab - mus rau - siab- sofas kawg siv cov khoom siv no sib npaug los txhawb kev nplij siab.
Cov ntaub upholstery thiab kev txhawb nqa yog qhov tseem ceeb sib npaug. Cov ntaub uas muaj xws li cov tawv tawv tiag tiag, cov ntaub ntawv thev naus laus zis, paj rwb- cov ntaub pua chaw sib xyaw, thiab velvet, nrog rau txhua yam khoom muaj txiaj ntsig zoo txog kev ntxhib los mos, hnav tsis kam, thiab kev saib xyuas yooj yim. Lub caij no, cov qauv kev txhawb nqa- feem ntau yog tsim los ntawm coil springs, webbing straps, lossis sinuous springs-ib npaug faib lub cev hnyav. Qhov no pab tiv thaiv sagging tom qab siv ntev thiab ua kom lub rooj zaum muaj kev txhawb nqa zoo rau lub sijhawm ntev.
