Given: An inspection checklist serves as a reminder to the inspector of common items that need to be
checked. Which of the following is often a problem with the use of inspection checklists?
Refrigeration units or systems having a refrigerant circuit containing Group A1 refrigerant shall be provided
with approved emergency signs, charts, and labels in accordance with NFPA 704 when the quantity exceeds
___ lb.
At each grinding, buffing, or wire brushing operation on magnesium, other than the rough finishing of casting,
dust must be collected by means of suitable hoods or enclosures connected to a: