Why is aluminum widely used in aircraft structures?, It is very heavy, It has a good strength-to-weight ratio, It has poor corrosion resistance, It is difficult to form, How does aluminum naturally protect itself from corrosion?, By forming a protective oxide layer, By becoming magnetic, By absorbing water, By forming a layer of iron, Which properties make aluminum easy to shape and manufacture?, Hardness and brittleness, Magnetism and strength, Malleability and ductility, Density and weight

Табло

Визуален стил

Опции

Шаблон за превключване

Възстановяване на авто-записаната: ?