Question

uses and functions of a screwdriver and a tester.​

Answer 1

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Uses of screwdriver -

Screwdriver, tool, usually hand-operated, for turning screws with slotted heads. For screws with one straight diametral slot cut across the head, standard screwdrivers with flat blade tips and in a variety of sizes are used.

Function of screwdriver -

A screwdriver is a tool, manual or powered, for screwing (installing) and unscrewing (removing) screws.

Uses of tester -

A test light, test lamp, voltage tester, or mains tester is a piece of electronic test equipment used to determine the presence of electricity in a piece of equipment under test.

Function of tester -

A test light, test lamp, voltage tester, or mains tester is a piece of electronic test equipment used to determine the presence of electricity in a piece of equipment under test.

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