1.Cu has anti-microbial properties
2.Shot Peening to develop residual stresses
3.Order of firing in four cylinder IC Engine 1243(Power, Compression, Suction, Exhaust) or 1342
4.Retro reflectivity - to increase night visibility
5.PERT=Probablistic Evaluation Review Techniques
6.CPM=Critical Path Method
7.60hp Electric Motor weighs about 20kg
8.Foot rest of Vespa made of cast aluminium
9.Corrosion is the big issue with ordinary mild steel (so its usage is limited)
10.White deposits on the top of a battery is Lead Sulphate(PbSO4). This chemical helps the battery to store electrical energy.
11.Ferrodo Friction Lining -latest material for friction plates in clutches, brakes, belts etc
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