Exercises:
1. Mostly contains iron, are magnetic and give little resistance to corrosion.
2. Good thermal and electrical conductivity, solid at room temperature, and can be stretched into wire.
3. Steel.
4. Choose the right weather, clean the gates, prepare the area, remove old paint and rust, prevent rust, prime the metal driveway gates, paint.
5. Brass or stainless steel, to prevent corrosion.
Exam questions:
1. Copper and zinc.
2a. Non-ferrous metals do not contain iron, are not magnetic, and are usually are more resistance to corrosion than ferrous metals.
2b. Copper: non-ferrous, steel: ferrous, aluminium: non-ferrous.
I hope this helped!!
