Concrete can be used for the outside layer because water can’t go through the concrete which is good.
Wool can be used for the middle layer because wool can keep the coldness of wind out of the shelter which makes the shelter warm.
Steel frames can be good to hold up the shelter because steel frames are strong to hold up something and if there’s nothing under the roof it might fall down.
Knowing which materials are good for the right disaster it’s important because an emergency shelter with the right materials can save people's lives.
LI:To prepare material order for construction
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