Example: biology
Standardization In Visual Acuity Measurement
Found 1 free book(s)Industrial Health and Safety Criteria for Abrasive Blast ...
www.cdc.govto distances as far as 100 feet from the operator. Visual acuity tests were taken within the confines of blast cleaning chambers before, during, and after cessation of cleaning operations. General safety and health conditions for the operator and nearby workers were carefully evaluated and documented.