Double Insulation: An electrical appliance that is double insulated does not have an earth wire fitted. The appliance is designed in such a way that the electrical parts can never come into contact with the outer casing of the device.
Variable Speed: Drills usually have a variable speed trigger, meaning that the harder you squeeze, the faster the electric motor spins the driveshaft. Cheaper models run at a single top speed, but pricier models offer between two and four maximum speed settings.
Bevel Cutting: To cut at an inclination that forms an angle other than a right angle: beveled the edges of the table.
Bevel Cutting 45 LR: A bevel is an angled cut relative to the face of the material. This can be an angled cut along the entire side of a plank of wood, or cut at the end of the wood.
Jigsaws are multi-purpose saws and are also known as saber saws. A jigsaw has a blade similar to a reciprocating saw which goes forwards and backward like a handsaw. Jig Saws can cut at angles up to 45 degrees. They are used for cutting wood and other sheet materials.
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