Plumbing Safety

2. Air or materials that can explode and cause a fire.
4. A structure such as a metal hydraulic, mechanical, or timber system that supports the sides of an excavation and is designed to prevent cave-ins.
6. A method of protecting workers from cave-ins by excavating the sides of an excavation to form one or a series of horizontal levels or steps, usually with vertical or near-vertical surfaces between levels.
7. A life-threatening condition caused by exposure to very cold temperatures.
8. One tool, which combines a variety of functions, to perform a particular job.
9. A document that must accompany any hazardous material. The SDS identifies the material and gives the exposure limits, the physical and chemical characteristics, the kind of hazard it presents, precautions for safe handling and use, and specific control measures.
12. A depression in the earth that is caused by unbalanced stresses in the soil surrounding an excavation.

1. A fibrous, fire-resistant substance used in pipe insulation, shingles, wallboard, floor coverings, and certain types of insulation. Now banned by government regulation as a health hazard.
3. The division of the US Department of Labor mandated to ensure a safe and healthy environment in the workplace.
5. Devices that protect tool operators from dangerous moving parts, such as blades, gears, and pulleys.
10. A measure of sound intensity or loudness. The higher the decibel level, the louder and more potentially damaging the sound is.
11. The placement of a lockout device on an energy-isolating device, in accordance with an established procedure, ensuring that the energy-isolating device and the equipment being controlled cannot be operated until the lockout device is removed.