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JSS2: BASIC TECHNOLOGY - 1ST TERM

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  1. Definition of First Aid | Week 1
    7Topics
    |
    1 Quiz
  2. Rescue Operation | Week 2
    3Topics
    |
    1 Quiz
  3. Materials & Their Common Uses (Wood) | Week 3
    6Topics
    |
    1 Quiz
  4. Materials & their Common Uses (Metal) | Week 4
    5Topics
    |
    1 Quiz
  5. Uses of Common Alloys ( Brass & Bronze) | Week 5 & 6
    8Topics
    |
    1 Quiz
  6. Uses of Ceramics And Glass (Contd) | Week 7 & 8
    4Topics
    |
    1 Quiz
  7. Uses of Plastics | Week 9
    4Topics
    |
    1 Quiz
  8. Uses of Rubber | Week 10
    3Topics
    |
    1 Quiz
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1. Nichrome: This is the composition of nickel, iron, and chromium. It can be used to manufacture electrical resistance wire. e.g. Ring boiler.

Nichrome Wire
Nichrome Wire.

2. Solder: This is the mixture of tin + lead. Solder is used for joining metals and creating electrical joints, such as copper joining in circuit boards and copper pipe joints. 

Solder wire
Solder wire.
solder
Soldering wires to a circuit board.

3. Brass: Brass is the mixture of copper + zinc. It is generally used for decorative work and for ammunition.

Brass Bullets
Brass Bullets.

4. Duralumin: This is the composition of aluminium + copper + manganese + magnesium. This alloy is best for building aircraft bodies, railway coaches, and ship bodies.

Duralumin used for Air-frames
Duralumin is used for Air-frames.

5. Bronze: Bronze is a mixture of copper + tin. It is used for manufacturing machinery and for decorative metalwork like sculpturing.

Bronze Sculpture
Bronze Sculpture.

6. Coins: This is the mixture of copper + tin + zinc. This material is used for making coins and medals.

Coins
Coins.

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