Kev Thauj Mus Los thiab Kev Cia Ntawm Fenders

tsheb thauj mus los

1) Hom kev tiv thaiv chord yog tsheb thauj mus los.

2) Thaum lub sijhawm thauj khoom thiab tshem tawm cov txheej txheem, lub fender yuav tsum tau nqa kom raug, thiab nws yuav tsum khaws kom huv, tsis txhob muab pov lossis tsoo, lossis nqes, rub, lossis khawb nrog cov khoom tawv, thiab lub fender yuav tsum tau muab tso rau khov kho.

3) Cov khoom tso rau yuav tsum khov kho kom ntseeg tau tias cov khoom tsis hloov lossis xoob thaum lub sijhawm thauj tag nrho.

4) Tom qab cov khoom tuaj txog ntawm qhov chaw raug xaiv, siv cov cuab yeej nqa khoom tsim nyog los thauj lub tsheb kom tsis txhob puas thiab sib tsoo.

Khw

1) Thaum khaws cov khoom siv roj hmab fender, zam kev tshav ntuj ncaj qha, nag thiab daus, thiab zam kev sib cuag nrog cov kua qaub, alkalis, roj thiab cov kuab tshuaj organic; khaws cia qhov ntsuas kub ntawm -15 ℃ -40 ℃ kom deb ntawm qhov cua sov 1 meter deb.

2) Qhov chaw khaws khoom fender yog li 400 square metres