Machines for making medicine; medicine processing machines; mixers [machines]; disintegrators; filtering machines for chemical processing; filter presses for chemical processing; filters for cleaning cooling air, for engines; filters being parts of machines or engines; filtering machines; filter presses.;
Installations, apparatus, devices, and machines for water purification; ionization apparatus for the treatment of air or water; gas scrubbing apparatus; water purification installations; water filtering apparatus; water purifying apparatus and machines; water softening apparatus and installations.;
Repair or maintenance of water purifying apparatus; pipeline construction and maintenance; installation, maintenance and repair of medical apparatus, devices, and instruments; installation, maintenance and repair of medicine processing machinery; freezing equipment installation and repair; installation, maintenance and repair of computer hardware; installation, repair, and maintenance of sanitary apparatus and equipment; installation, repair and maintenance of clean room facilities and equipment.;