Fill in the blank spot.

drill bits are attached to power drills to make holes. drill bits are made of (alloys, ceramics, or composites) because they're hard and resistant to corrosion. the bodies and handles of power drills are made of (alloys, composites, or plastics) because they're good insulators.

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Alloys and Composites

Explanation:

Drill bits are made of alloys because alloys are very much resistant to corrosion and are created when one or multiple metals are mixed with other elements that are non-metallic in nature. Due to their greater strength, they are used in the power drills in order to create borehole drills at the mining site. Borehole drilling is commonly done in order to understand the sub-surface strata before mining.

The bodies along with the handles of power drills are constructed of composite insulators because within the composites there is the absence of free electrons that has the ability to flow and produce electricity. So they are considered to be used as a good insulator.

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just did the assignment and the answer was #1 +2 n