Revision exercise

Which of these is not a plastic moulding?

• Injection moulding

• Tablet moulding

• Extruction moulding

• Blow moulding

There are ..................... types of plastic

To arous consciousness, ........................................ first aid material is needede

• Smelling salt

• Paraceutamol

• Tong

• Plaster

Doing away with examples, ................................. and .......................... are the answers to question 10 of page 75 of your textbook

The basic raw material needed for natural rubber production is the

• Clay

• Potash

• Latex

• Ore

...................................... is not a first aid material

• Hand glove

• Analgesic

• Textboox

• Pen

What is the other name for clay minning?

At what metal processing stage is impurity washed off?

Plastics that melt easily under heat are called ....................... plastics

• Thermoplastics

• Thermocool

• Thermosetting

• None of the above

............................................................ is used to fell a tree

• Trowel

• Spade

• Chainsaw

• Vice