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Chemistry, 08.10.2019 20:00 maddie1776

How can both surface and underground mining? select the two correct answers
a) risk of injuries from methane explosions
b) risk of high blood pressure
c) risk of injuries from mine collapse
d) risk of disease like silicosis
e) risk of injuries from heavy equipment

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Answers: 3

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How can both surface and underground mining? select the two correct answers
a) risk of injuri...
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