... equipment for use in factories, offices, schools, hotels, oil pumphouses, filling stations, chemical paint houses and combustible places5) Main technical info ... 5 2.0 Acceptable Vertial drilling machine Z3032X102 2 2.0 Acceptable CO2 fire extinguisher hydrostatic test device L-08 1 2.4 ... Acceptable Welding machine D-18 15 2.5 ...