Question

what is standard practice when other workers are working near a welding operation?
stop work until everyone leaves
screen the work area with welding curtains
weld at a lower temperature to reduce risk

Explanation:

Welding operations can produce intense light and sparks. Screening the work - area with welding curtains can protect nearby workers from the harmful effects of these, such as eye damage from the light and potential burns from sparks. Stopping work until everyone leaves is not practical in many work - environments. Welding at a lower temperature may not be possible as it could affect the quality of the weld.

Answer:

B. screen the work area with welding curtains