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Blower fresh air into fuel oil storage tank confined space
A high-pressure tank inspector enters a confined space in a petroleum chemical protective suit.
Photo illustration for PTW or Permit to Work
the process of installing a portable ventilator blower hose to remove gas or free gas from a tank before people enter. free gas confined space
Air blowers with proboscis yellow are used to blow air when working in confined space areas at manhole doors

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