[Training service in the field of thermal insulation, watertightness and maintenance of ships in particular liquefied natural gas carriers; training service in the field of the naval transportation of gas in liquid, gaseous or solid phase]

Electrical controllers, regulators and monitors, all for use in operating vacuum pumps and cryo-vacuum pumps; [rotational speed sensors;] instruments for measuring pressure in pumping machines; electric sensors; electric coils; electric transformers; electric resistors; electromagnetic coils; electronic display panels; printed circuits; frequency converters, [manometers;] electric apparatus for measuring vacuum data; measuring instruments and measuring sensors, for use in connection with vacu...