(Based on Use in Commerce and Section 44E) Cleaning machines for cleaning the inside of process tanks, storage tanks, chemical reactors, transport containers, process units and piping systems, structural parts and structural auxiliary parts for the aforesaid goods; rotating drum cleaners, namely, rotating drum cleaning machines for cleaning the inside of process tanks, storage tanks, chemical reactors, transport containers, process units and piping systems; cleaning nozzles for discharging li...