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If a confined space atmosphere is toxic, the first step is:
If ventilation or purging a confined space is ineffective, the employer:
Natural ventilation for confined spaces is typically:
The process used to stop the flow of hazardous energy is known as:
An example of hazard control includes:
Inserting a physical barrier through the cross-section of a pipe is referred to as:
Responsibility for providing specialized PPE rests with the:
Workers required to wear respirators must be:
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