1. An employer is having difficulty meeting the OSHA asbestos standard using engineering controls and is considering using administrative (work-practice) controls. Study current OSHA standards for asbestos and give professional recommendations to this employer, citing appropriate sections of the OSHA standard to justify your position.
2. Use the Internet to find five special firefighting materials for use in petroleum fires. Provide a description of each material.
3. Search for currently available simulation tools to enable a designer to use virtual reality to test various workplace designs to determine whether the human operator at a proposed workstation will exceed NIOSH-recommended lifting limits. Provide a list of three of these simulators and a description of each.

please provide references