Physics - Fizik

The world’s industriies use millions of tonnes of steels each year. Steel plate form the lrge panels in washing machines, car, trains and ships. The stainless steel used for making cutlery is an alloy with at least one-tenth of the extremely hard , shiny metal known as chromium. Steel with titanium in them form the light but stiff structure sheets in high-speed aircraft. Gold is a famous symbol of wealth. But rarer metals such as platinum and palladium command higher prices for specialised engineering and electronic uses.

Keyword : Physics Teacher's, Trial Exam