22. It has lacking and insufficient machine locks, unsafe workplace situations, and unsafe work practices. a. Safety hazards B. Physical hazards C. Ergonomic hazards D. Biological hazards 23. These are pictures sometimes called safety pictographs, pictograms, or pictorials. a. Safety First B. Safety Management C. Safety Codes D. Safety Signs and Symbols 24. Which of the following statement below helps prevent falls? a. Do not watch your step Keep the floor dry C. Don't pick it up b. clean and dry stop D. Do not walk 25. These are the key elements of Fire safety policy EXCEPT: A. Properly storing and using, hazardous materials. B. Conduct fire drills at regular intervals throughout the year. C. Fireplace chimneys not properly or regularly cleaned. D. Maintaining the correct type of fire extinguishers.​