Square Groove Qhov rai Stopper Qhov rai Arm Rau Casement Qhov rai

Peb pab neeg ntawm cov kws txawj tau paub zoo nyob rau hauv lub nuances ntawm txawv qhov rais hom, nrog rau sab saum toj-dhau thiab sab-dua qhov rais.

(1) Rau cov qhov rais sab saum toj dai, uas muaj qhov cua zoo heev thiab cov tsos tshwj xeeb, peb nkag siab txog cov kev cai tshwj xeeb rau pob khawm. Cov pob khawm no yuav tsum txhawb nqa qhov hnyav ntawm lub sash thaum tso cai rau kom du, tswj qhib thiab kaw. Peb pab neeg tuaj yeem pom zoo hinges nrog lub peev xwm tsim nyog los ua kom lub qhov rais ua haujlwm tsis zoo.
(2) Rau sab-dhau qhov rais, ib qho kev xaiv vim lawv qhov yooj yim thiab dav saib, peb paub tias cov hinges yuav tsum muaj kev ruaj ntseg thiab kav ntev. Peb cov kws tshaj lij yuav soj ntsuam cov xwm txheej xws li qhov loj ntawm lub qhov rais, cov ntaub ntawv uas nws yog ua los ntawm, thiab ib puag ncig nws yuav raug. Los ntawm kev siv lawv cov kev paub tob tob, lawv tuaj yeem pab koj xaiv qhov zoo tshaj plaws hinges los txhim kho kev ua tau zoo thiab lub neej ntawm koj lub qhov rais sab-dua, tsis hais qhov loj lossis qhov nyuaj ntawm qhov project. Txawm hais tias koj xav tau hinges rau sab saum toj - dai lossis sab - dai qhov rais, peb pab pawg kws tshaj lij nyob ntawm no los pab koj nrhiav qhov haum!