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Jim Krebs has more than 32 years of experience working with industrial equipment and controls in the food and beverage, pulp and paper and pharmaceutical industries. He currently works for AutomationDirect as a technical marketing engineer.
The most important machine design step is ensuring operator safety. During the design process, hazards are often identified that can be removed, but when a hazard cannot be removed, then various levels of safeguarding must be provided. These typically take the form of machine access guarding and point-of-operation guarding.
OSHA standard 1910.242(b) relating to hand and portable powered tools and other hand-held equipment is clear on using compressed air for cleaning. “Compressed air shall not be used for cleaning purposes except where reduced to less than 30 psi and then only with effective chip guarding and personal protective equipment.”
OSHA standards clearly define mandatory compliance and requirements for employers to follow with respect to eye and face protection. Following these requirements ensures protection against chemical, environmental, and radiological hazards or mechanical irritants.