1. procedures
emergency safety equipment
preventative safety equipment  

2. procedures : an act or a manner of proceeding in any action or process; conduct.
emergency safety equipment: Equipment used when an emergency happens. I.E. – fire blanket, eye washing station, fire extinguisher.
preventative safety equipment: Equipment and clothing used to help prevent harm. I.E. – safety goggles, aprons, gloves, etc

3. Elements
metals
nonmetals
property
metalloids

4. Element: a pure substance that is composed of the same type of matter throughout and cannot be divided into simpler substances through normal processes

5. Metals: a chemical element that is a good conductor of both electricity and heat and forms cations and ionic bonds with non-metals.
Nonmetals: an element not having the character of a metal, as carbon or nitrogen
Property: a quality, attribute, or distinctive feature of anything, esp a characteristic attribute such as the density or strength of a material
Metalloids: an element that has both metallic and nonmetallic properties