Explanatory notes
… start this type, the cylinder-head must be pre-heated by a blow-lamp or a glow plug must be used. Compression-ignition … fuels such as heavy petroleum or coal tar oils, shale oils, vegetable oils (ground-nut, castor, palm, etc.). * * * … water radiators, oil coolers, water or oil pumps, blowers, air or oil filters, clutches or power drives, or …