I believe knowing the difference between different metal types can be a useful skill. Knowing what it's properties are can aid in selecting the correct type of metal to reinforce your home, build various boxes or containers or even use them as electrical conducters. This also contains some basic engineering concepts that will help one better understand things like metal fatigue and stress.
Metal properties and uses 2016-10-28
This is a brief guide to the different types of metals. Their strengths and weaknesses and uses.
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