Chav dej yuav tsum yog cov kav dej phwj tuaj. Yog hais tias cov kav dej tsis tau dai kom zoo nkauj, nws lub neej yuav luv luv. Yuav ntim cov kav dej hauv chav dej li cas? Feem ntau hais lus, muaj ntau txoj hauv kev rau kev ntim cov kav dej hauv tsev: ntoo keel yog siv los ua tus ncej, thiab PVC gusset yog siv los qhwv nws. Cov qauv no yog pheej yig, yooj yim rau kev tsim thiab zoo nkauj, tab sis nws lub neej tsis ntev, tshwj xeeb tshaj yog cov laus ntawm PVC gusset yog loj. Yog li nws tsis yog ib qho ntxiv lawm. Siv ntoo keel ua lub hauv paus, tom qab ntawd muab tso rau ntawm lub rooj tsavxwm ntoo, thiab thaum kawg muab lub rooj tsavxwm aluminium-yas. Qhov zoo ntawm txoj kev tsim kho no yog tias nws yooj yim rau kev saib xyuas, thiab nws muaj zog dua li PVC gusset. Lub thav duab yog ua los ntawm lub teeb steel keel, thiab tom qab ntawd cov cement siab phaj yog kaw, cov hlau mesh yog dai, thiab ces cov vuas yog pleev xim rau. Qhov kom zoo dua ntawm txoj kev tsim kho no yog tias tag nrho cov nyhuv muaj zog, tab sis qhov tsis zoo yog tias nws tsis ruaj khov txaus, thiab cov ces kaum ntawm cov vuas uas tau muab tso rau lub sijhawm ntev yuav tawg. Siv cov cib los tsim cov ncej los qhwv cov kav dej, cov cement mortar, stick steel mesh, thiab thaum kawg muab cov vuas luaj. Qhov no yog qhov kev coj ua feem ntau tam sim no. Qhov zoo yog tias nws tsis yooj yim rau deform, thiab lub suab rwb thaiv tsev zoo. Tsuas muaj ib qho tsis zoo, thiab nws siv ntau qhov chaw. Nws tseem tuaj yeem muab qhwv ncaj qha nrog cov paj rwb tsis muaj suab nrov. Niaj hnub no, txoj kev no feem ntau yog siv rau cov tsev me. Kev tsim kho yog yooj yim thiab tus nqi pheej yig. Qhov tsis zoo yog tias nws yog qhov yooj yim thiab cov nyhuv tsis zoo li brickwork.
