Npaj kom pom peb cov kev daws teeb meem?
Ceev nrawm muab cov tshuaj papa zoo tshaj plaws

PSA cov pa oxygen

● Koj muaj peev xwm o- o- yog dab tsi o2 yog dab tsi?
● Koj xav tau dab tsi O2? Txheem yog 93% +-3%
● O2 tawm hluav taws xob uas xav tau li cas?
● Lub suab pov tseg yog dab tsi yog ob qho tib si ntawm 1fhase thiab 3phase?
● Cov haujlwm ua haujlwm dab tsi yog qhov tshiab yog dab tsi?
● Cov av noo li cas?

PSA Nitrogen Nroj Tsuag

● N1 muaj peev xwm xav tau dab tsi?
● N2 Purity xav tau dab tsi?
● N2 tawm hluav taws xob yog dab tsi?
● Lub suab pov tseg yog dab tsi yog ob qho tib si ntawm 1fhase thiab 3phase?
● Cov haujlwm ua haujlwm dab tsi yog qhov tshiab yog dab tsi?
● Cov av noo li cas?

Xa Kev Nug