7 Ignition apparatus and their accessories being parts of internal combustion engines of all kinds, namely spark plugs and their caps, cables and ignition coils; glow plugs; air heaters for heating up air giving to internal combustion engines
9 Apparatus for controlling temperature of glow plugs or air heaters used on various kinds of engines including internal combustion engines, steam engines, jet engines, rocket engines, turbines, compressed air engines and nuclear prime movers