Слайд 2Brick кирпич
Cement цемент
Concrete бетон
Glass стекло
Marble мрамор
Plastic пластик
Stone камень
Wood дерево
Слайд 4Aluminium-алюминий
Brass-медь
Bronze-бронза
Copper-медь
Gold-золото
Iron-железо
Lead-свинец
Magnesium-магний
Mercury-ртуть
Nickel-никель
Silver-серебро
Steel-сталь
Tin-олово
Zinc-цинк
Alloy-сплав
Слайд 51. Answer the following question:
What was the first metal used by man?
What
was the first alloy?
When did people start to use iron?
How many metals did the man know in ancient times?
How many metals are produced and used nowadays?
What are the ten most spread elements?
What does metallurgy deal with?
Слайд 6Brass
Alloy
Gold
Tin
Bronze
Lead
Magnesium
Steel
Mercury
Silver
Iron
Zinc
Copper