Engineers are looking for a new material to build an oil tanker. The material must be lightweight, strong, and durable. Several engineers have developed some initial plans.The engineers are in which stage of technological design?

The engineers have recognized the need for a suitable material and are developing initial plans for how to meet it. Creating and comparing plans is the designing-a-solution stage. Implementing would mean building or testing the design, while evaluating would mean judging how well a completed solution works.

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