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5 Cards in this Set

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Non-combustible/Non-flammable material.



Steel.

Type 1

Material that has a fire retardant/protective coating layer.

Type 2

Ordinary combustibles.



Material constructed of half wood/steel composite-like material.

Type 3

Heavy timber.



All wooden structure, also highly flammable.

Type 4

Wooden frame.



Highly combustible/easily likely to go up in flames.

Type 5