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19 votes
Beams may be made of either metal or

asked
User Nof
by
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2 Answers

3 votes

Answer:

wood

Step-by-step explanation:

your answer is wood because it was used as a less effective but much cheaper material other then metal

answered
User Sandor Davidhazi
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7.7k points
6 votes

Answer:

Quartz? sorry if im wrong

answered
User David Hewitt
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8.2k points

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