1) Ntau hom thiab specifications ntawm bitumenwaterproof tapes yuav tsum tau stacked nyias;

2) Thaum khaws cia bitumen waterproof daim kab xev, tsis txhob tshav ntuj thiab los nag thiab xyuam xim rau qhov cua;

3) Qhov ntsuas kub ntawm bitumen waterproof kab xev yuav tsum qis dua 50 ° C;

4) Bitumen waterproof daim kab xev yuav tsum muab cia rau hauv ib txheej thaum khaws cia upright, thiab yuav tsum tsis txhob ntau tshaj ob txheej thaum lub sij hawm thauj mus los;

5) Thaum khaws cov ntaub nplaum uas tsis muaj dej tsis zoo, koj yuav tsum tsis txhob tilting lossis lateral drift, thiab npog nws nrog tarpaulin yog tias tsim nyog;

6) Nyob rau hauv ib txwm cia thiab kev thauj mus los ntawm bitumen waterproof daim kab xev, lub sij hawm cia yog ib xyoos txij li hnub tsim khoom.