02 Occupational Safety And Energy Conservation
04 Precision Instruments And Gauges
10 Electric Materials And Cables
11 Fuse,Relays and Circuit Breakers
19 Dash-Board Instrument and Indicators
25 Exhaust-er,Air compressor,Glow plug and Gas Turbine
26 Charging Circuit,Dynamo and Alternator
27 Self Starter and Starting Motor circuit
28 Fuel System of Diesel Engine
31 Combustion chamber,Compression Ratio,Super Charger and Turbo Charger