(i) screw driver;
(ii) pliers. (4 marks)
Explain the function of each of the following hand tools: (i) screw driver; (ii) pliers. (4 marks)
i) Screwdriver:
- Function: A screwdriver is used to insert and remove screws. It typically has a handle and a shaft with a tip that fits into the screw head. Screwdrivers come in various types, such as flathead, Phillips, and Torx, each designed to match specific screw head designs. By turning the screwdriver, you can tighten or loosen screws, securing or releasing components in place.
(ii) Pliers:
- Function: Pliers are versatile hand tools used for gripping, bending, cutting, and manipulating various materials. They consist of two handles, a pivot, and jaws. The jaws can have different shapes and textures to handle different tasks. Common types of pliers include needle-nose pliers for precision work, slip-joint pliers for adjustable gripping, and cutting pliers for cutting wires and other materials. Pliers are essential for tasks that require holding objects firmly, bending wires, or cutting through materials.