Blast Area Security
ฝัง
- เผยแพร่เมื่อ 24 ก.ค. 2016
- This five-minute video from 2007 provides information about blast area security to those working around blast sites. The target audience includes employees, blast crew members, trainees, subcontractors, vendors, and visitors to the worksite. It is intended for use with supporting documents available on the NIOSH Mining website.
www.cdc.gov/nio...