Answer:
1.enhace the speed and accuracy of work
2.Large historical data can be stored easily for future use.
3.Quick calculation and display of graphical and mathematical data.
The answer is 9
Hope I helped you
C. Data structures
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Because there is a very likely chance you can get electrocuted which could lead to medical treatment or even death. Also if working near trees or polls or anything that is touching a power line may lead to you being electrocuted.