6
Pipes, tubes and hoses, and fittings therefor, including valves, of metal; Sheet metal; Sintered hard metals; Tubes of metal; Pipework of metal
9
Heat sinks; Temperature sensors; Temperature feedback units; Thermal cutoffs; Temperature indicators; Temperature logging apparatus; Instruments for temperature control; Thermostats; Temperature measuring instruments; Electric sensors; Sensors and detectors; Sensors for measuring instruments
11
Heating apparatus, exclusively for heating motor vehicle parts; Electric heating elements, exclusively for heating motor vehicle parts; Refrigerating apparatus; Refrigerators; Cooling elements; Cooling apparatus; Cooling systems for motor cars; Refrigerating apparatus and machines
17
Flexible pipes, tubes, hoses and fittings therefor (including valves), and fittings for rigid pipes, all non-metallic; Flexible hoses, not of metal; Pipe insulation; Non-metallic insulated pipes; Hose linings; Insulation sheets
21
Glass plates