Answer:
develop a product that can work with or without electricity.
Explanation:
Engineering refers to a branch of cience and technology that deals with the creation, construction and operation of structures, machines and devices that drive machines. Meanwhile, Technology has to do with employing scientific information for practical functions. As a result, a person who works in Engineering and Technology is likely to design functional products with different sources of energy.
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characteristics, that student work should exhibit and describes specific quality levels for those criteria.
If the sentence in question is a statement (ends with a period), I would probably "however" as your transition word.