1. Thaum siv lub tshuab nqus tsev nqus tsev vacuum, thov ceev faj kom tsis txhob thaiv lub tshuab nqus tsev vacuum, txwv tsis pub nws yuav ua rau lub cev muaj zog ntau dhau thiab ua rau lub cev muaj zog.
2. Thaum siv lub tshuab nqus tsev nqus tsev vacuum, thov xyuam xim rau nruab lub hnab lim plua plav kom tsis txhob muaj plua plav nkag mus rau hauv chav tsev.
3. Thov tsis txhob siv lub tshuab nqus tsev nqus kom nqus cov khoom me me xws li cov cement, gypsum hmoov, phab ntsa hmoov, thiab lwm yam., txwv tsis pub nws yuav ua rau lub tshuab nqus tsev nqus plua plav lossis lim lim, thiab lub cev muaj zog yuav hlawv.
4. Thaum ntxuav lub tshuab nqus tsev, thov siv cov ntaub ntub dej los yog cov tshuaj ntxuav tes tsis huv, tsis txhob siv roj av, dej txiv tsawb, thiab lwm yam, txwv tsis pub lub plhaub yuav tawg lossis tawg.
5. Thov tsis txhob siv lub tshuab nqus tsev nqus kom nqus cov tshuaj ntxuav tes, thee, roj, iav, koob, soot, plua plav ntub dej, dej phwj tuaj, cov khoom sib tw thiab lwm yam khoom.
6. Thov tsis txhob muab lub tshuab nqus tsev ze ze rau hluav taws thiab lwm qhov chaw kub.
7. Tsis txhob siv lub tshuab nqus tsev nqus dej kom nqus dej thiab lwm yam kua, thiab tsis txhob yaug lub tshuab nqus tsev nrog dej.
8. Thaum koj yuav tsum tau ntxuav los yog muab lub tshuab nqus tsev vacuum thiab thaum koj tsis siv lub tshuab nqus tsev vacuum, tshem tawm ntawm lub hwj chim plug thiab tsis txhob rub lub hwj chim qaum.
9. Tom qab siv lub tshuab nqus tsev vacuum, lub tshuab nqus tsev thiab cov khoom siv yuav tsum tau muab ntxuav nrog cov ntaub ntub dej, thiab tom qab ntawd cua-dry ib txwm. Cov av hauv lub hnab plua plav yuav tsum tau muab tshem tawm raws sijhawm. Yog tias tsis siv ib ntus, lub hnab plua plav yuav tsum tau ntxuav nrog dej sov thiab tom qab ntawd qhuav hauv lub hnub. Txhuam yuav tsum tau ntxuav ntawm cov plaub hau thiab confetti.
10. Nco ntsoov xyuas qhov hnav ntawm cov txhuam hniav thiab hloov lawv yog tias lawv pom tias hnav hnyav heev.
11. Nco ntsoov xyuas qhov ruaj khov ntawm lub tshuab nqus tsev vacuum, thiab khi lawv txhua lub sijhawm yog tias lawv xoob.
12. Cov txhuam hniav ntawm lub cev muaj zog ntawm lub tshuab nqus tsev vacuum kuj yooj yim rau hnav, yog li ua tib zoo xa lawv mus kho thiab hloov.
13. Nco ntsoov xyuas lub tshuab nqus tsev thiab qhov chaw nres nkoj kom tsis txhob txhaws.
14. Tiv thaiv lub hose ntawm lub tshuab nqus tsev vacuum los ntawm kev kub siab.
