Ds w serwisie Euro

reduce smoke Ds Internal combustion engines require ignitionIgnition Internal combustion engines require ignition of the mixture, either by spark ignition (SI) or compression ignition (CI). Before the invention of reliable electrical method

oil for Ds Some simpler designsIn the crankcase of a vehicle engine, motor oil lubricates rotating or sliding surfaces between the crankshaft journal bearings (main bearings and big-end bearings), and rods connecting the pistons to the cranksh