OLV68 Cov Tes Ua Kua Rau Tes

1. Kev xaiv cov khoom siv ua vaj tse uas tsis siv kua nplaum: Nws yog qhov tsim nyog tshaj plaws rau kev sib txuas cov khoom siv hauv qab no hauv cov pob zeb ua vaj tse, txhua yam pob zeb, phab ntsa plaster, ntoo thiab plywood nto: ntoo, yas, hlau, qhov rooj nkag, cov paib, slat, lub hauv paus qhov rooj, lub qhov rais sill, lub thawv sib txuas, cov ntaub ntawv ntawv, gypsum board, pob zeb embellished, vuas ceramic, thiab lwm yam, tsis haum rau cov ntaub ntawv ua npuas ncauj.
2. Ntxuav qhov chaw tsim kho kom tsis txhob muaj roj thiab av qias neeg, thiab tshem tawm tag nrho cov khoom xoob;
3. Txiav lub qhov ncauj ntawm lub raj xa dej uas tsis muaj ntsia hlau, tho lub zaj duab xis tiv thaiv lub nozzle, muab lub nozzle roj hmab rau, thiab nias nws nrog rab phom kaw;
4. Muab ob peb kab ntawm cov kua nplaum uas tsis muaj kua nplaum lo rau ntawm ib sab nrog ib tee kua nplaum lossis tus qauv zigzag (txhua kab yog kwv yees li 30 cm sib nrug). Ib txwm siv cov kua nplaum rau ntawm ntug ntawm txhua lub ces kaum ntawm daim ntawv thiab nws yuav xav tau hauv 5 feeb. Cov khoom sib txuas tau muab tso rau hauv qhov chaw, nias thiab kov nrog lub mallet roj hmab. Yog tias cov khoom loj, hnyav, thiab yog tias tsim nyog, clamp lossis txhawb nqa (kwv yees li 24 teev). Qhov zoo tagnrho tau ua tiav tom qab 3 hnub ntawm kev sib txuas.