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Synopsis:A detailed study of the reasons behind the need for scrupulous cleanliness in the storage and handling of gas oil, the fuel for diesel-engined tractors.
Shotlist:London street scene; lorries on main road; factory; drilling; bulldozing; Thames water bus; Covent Garden market scene; tractors; engine cylinders with kerosene and diesel; fuel pump factory; CU pump; plungers being made; inspection of parts; barrels being reeled and checked; busy factory workers; barrels and plungers being matched up; lapping; magnified cross sections of finely ground surface and lapped surface; 00:30:11 standard room for quality control; glass and newly made plunger being checked for smoothness; dirty plunger being checked for smoothness; injectors which spray fuel into cylinders; needle valves being ground and checked; holes being drilled into nozzle; inspecting nozzle; stroboscope; patterns produced by different types of nozzle being examined; 4 pump unit being tested; mechanic working on car engine; service manager at factory piece to camera examining plunger; research laboratory; Shell BP trucks; fuel pumps; tractor; 00:35:40 engine filter; oil truck driving through village; oil tank on farm, manhole, dip pipe, vent pipe, drain pump; model showing how vent pipe and drain pump work; 00:38:24 farmer driving to oil tank to refuel; galvanised tank; cans; funnels; tractor; engine parts; fuel filter being cleaned; fitting new element into filter; instruction books; 00:41:36 END
