Taw qhia rau Cov Khoom Siv Hluav Taws Xob Dawb
Dawb ceev hauv hluav taws xob hais txog pes tsawg qhov hluav taws xob dawb hauv ib chav ntsuas tus ntsuas pib. Dawb pub dawb hluav taws xob ceev ntawm tooj liab yog. Lub tshuab hluav taws xob pub dawb ntawm ntau cov hlau yog tib qho kev txiav txim ntawm qhov ntau. Txhuas muaj qhov hluav taws xob muaj hluav taws xob ntau dua tooj liab, aluminium muaj peb qho hluav taws xob dawb, tooj liab muaj ob qho hluav taws xob dawb, thiab hluav taws xob hluav taws xob hluav taws xob ntawm cov hluav taws xob muaj tsawg dua qhov tooj liab, yog li txhuas muaj hluav taws xob dawb dua tooj liab. Tab sis vim tias txhuas yog qhov txaus nyiam dua rau tooj liab dua tooj, tooj liab yog ntau dua thaum nws energized.