Close-off and regulating instruments for liquid and gas mains and pipes, being parts of machines or engines; filters and sieves for use in liquid and gas mains and pipes, also in condensing installations, not included in other classes; pumps (being machines, engines or parts thereof); condensers (parts of machines); injectors for engines; elevators; mixing machines; liquid separators; pneumatic transport installations for pipes and mains; hydraulic apparatus and installations including hydraulic controls for machines and engines; thermostatic valves (parts of machines)

Sheaths for electric cables; temperature regulators; sight glasses; floaters and pressure switches; oil gauge apparatus; scientific, optical, measuring and checking (supervision) apparatus and instruments; pressure gauges; thermometers not for medical purposes; solar cells; electric apparatus and instruments not included in other classes; safety clothing and protection masks for workers