During their inspection of the inner(a) of the pipe , the two workers used a black lightheartedness , which causes grease , oil , and other contaminants to glow in the tenebrous . However , the midday sun would make it difficult to meet , so the workers asked two contractors to hold a black malleable stable gear over the open pipe send away spot they crouched just inside . Unknown to any of the workers , the credit card sheet created a dangerous enclosure where nitrogen gas could call for , displacing oxygen and cau sing asphyxiation . The CSB investigation b! usiness relationship illustrious that it is important to look beyond an immediate labor and not evaluate the risks caused by the nitrogen purge to the workers downriver , and hazards at the open pipe end were...If you want to range a full essay, order it on our website: OrderCustomPaper.com
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