Fill in the blank: During the course of an installation, a plumber will likely come across a variety of different materials. One of them is ________ metals.

• copper

• plastic

• wood

• glass

Fill in the blank: During the course of an installation, a plumber will likely come across a variety of different materials. One of them is ferrous metals. Another is ________ metals.

• non-ferrous

• plastic

• ceramic

• wood

Fill in the blank: During the course of an installation, a plumber will likely come across a variety of different materials. One of them is non-ferrous metals. Another is ________.

• ferrous metals

• plastic pipes

• ceramic tiles

• wooden beams

Fill in the blank: During the course of an installation, a plumber will likely come across a variety of different materials. One of them is plastics. Another is ________.

• metals

• wood

• glass

• ceramics

Fill in the blank: During the course of an installation, a plumber will likely come across a variety of different materials. One of them is ceramics. Another is ________ metals.

• ferrous

• non-ferrous

• precious

• alloy

What is the main ore of Iron?

• Malachite

• Pyrite

• Gibbsite

• Galina

Which country is a main producer of Copper?

• Brazil

• England

• Chile

• Malaysia

Fill in the blank: Aluminium is a _______ metal.

• Non-ferrous.

• Ferrous.

• Magnetic.

• Radioactive.

What type of metal is Lead?

• A) Ferrous

• B) Non-ferrous

Which ore is associated with Zinc?

• Sphalerite

• Cassiterite

• Bauxite

• Hematite