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I don't know. I think it really depends on the situation but some of them are critical. 1 Air and other environmental elements like extreme heat, cold, ice water, blizzard ice storm, avalanche...e...
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I don't know. I think it really depends on the situation but some of them are critical. 1 Air and other environmental elements like extreme heat, cold, ice water, blizzard ice storm, avalanche...e...