Select all the requirements that an employer must do to comply with the Federal Hazard Communication Rule. Question 10 options: Keep an up-to-date inventory of hazardous chemicals or products used in the facility. Train employees in the proper use of solid products such as tools, electronic components, and fasteners. Train employees on toxicity, health effects, and first aid treatment of materials not chemically hazardous. Train employees on melting points and boiling points of hazardous chemicals. Keep an up-to-date inventory of all materials and products used in the facility. Prepare and post MSDS