Answer :
Final answer:
Some rotary hammers have selector switches that offer multiple functions including drill, hammer drill, and hammer operations.
Explanation:
Some rotary hammers have a selector switch that allows them to perform different functions. One option is a drill function, which allows the rotary hammer to be used as a regular drill for drilling holes in various materials. Another option is a hammer drill function, which combines drilling and hammering actions. This is useful for drilling holes into harder materials like concrete or masonry. Lastly, there is also a hammer function, which is used solely for the purpose of hammering or chiseling.
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