26. Koj cov yeeb nkab tau tsim hluav taws li cas txawv?

Muab kauv kav hlau welded yog cov phiaj hlau lossis cov ntaub pua uas ua ntej ua ntej yog ua ntej {bent thiab tsis tu ncua ntawm ib lub raj nrog kauv seams. Muab kauv yeeb nkab welded muaj cov yam ntxwv ntawm ntev weld seam thiab ceev ntau lawm ceev ceev ceev, thiab tsim nyog rau kev tsim khoom loj- txoj kab uas hla vwj welded yeeb nkab.
Muaj ntau hom kab ke muab kauv welded raws li cov qauv sib txawv, feem ntau yog suav nrog:
(1) Kev faib tawm raws li kev tsim lub kaum sab xis hloov kev hloov kho:
Pem hauv ntej viav vias, viav vias.
(2) kev faib tawm raws li kev pub mis ntawm txoj kev sib sau tshuab:
Dov -} li (tsawg siv, tsuas yog rau lub sijhawm tshwj xeeb)
Scroll cia (feem ntau siv)
(3) Kev faib tawm raws li txoj kev sib sau ntawm txoj kev sib sau tshuab:
Dov Down Cov Menyuam Moulding Tshuab
Xaws Daim Ntawv Quaj Hniav Piss Tsho Tes Ua Taus Tshuab
COV MENYUAM SIV LUB TSHUAB COV TSHUAB
Dov Kev Sib Puag Kev Sib Tw Tag Nrho Lub Tes Tsho Taus Tshuab
Prd Txoj Kev Siv Lub Tshuab (tsim los ntawm PrD lub tuam txhab hauv Tebchaws Meskas, uas tuaj yeem hloov kho cov kab ntsig tsis tu ncua)