Raws li ib daim ntawv tshaj tawm los ntawm lub koom haum saib xyuas txog kev lag luam, explosion-proof axial ntws kiv cua muaj tau classified nyob rau hauv lub teb chaws mandatory lub teb chaws daim ntawv pov thawj (CCC) Program. Qhov no txhais tau tias explosion-proof axial ntws kiv cua yuav tsum ua raws li cov CCC daim ntawv pov thawj yuav tsum tau ua raws li cov CCC daim ntawv pov thawj yuav tsum tau ua raws li cov kev ua lag luam CCC.
Cov ntaub ntawv rau CCC daim ntawv pov thawj rau explosion-proof kiv cua yog permissible.
Nws muaj nws ib qhov tseem ceeb ntawm explosion-proof CCC daim ntawv pov thawj thiab mus tsis tu ncua CCC, Raws li ib co purchasing enterprises yuam kom tawg-pov thawj kiv cua possesses lub explosion-proof CCC daim ntawv pov thawj tsim nyog.