Automotive Infographic: Parts of a Car

1. ELEGTRIG HEADLIGHTSThe first electric headlights were introduced in 1898, but these had many disadvantages,like the filaments burning our quickly in rain or snow.In…

Documents Hardness Resistant to cutting, indentation and abrasion. The Mohs scale of hardness grades ten...

Slide 1 Slide 2 Hardness Resistant to cutting, indentation and abrasion. The Mohs scale of hardness grades ten minerals from the softest (talc) rated 1, to the hardest (diamond)…