Materials that may cause a fire, explosion or a dangerous reaction if they are mixed are known as: (a) combustible (b) explosive (c) dangerously reacting (d) incompatible {Ans: }8. How is the following information made accessible to workers: hazardous ingredients, preparation information, product information, physical data, fire or explosion hazards, reactivity data, toxicological properties, preventive measures and first aid measures? (a)On workplace labels (b)On material safety data sheets (c)On product labels {Ans: }Which of the following is not a duty of a supervisor? (a) Take every precaution reasonable in the circumstances to protect the workers. (b) Provide workers with written instructions for the measures and procedures to be taken to protect the workers. (c) Ensure that workers use or wear the equipment, protective devices or clothing that the employer requires. (d) Prepare and implement a written health and safety program for work places with more than 6 workers. {Ans: D}How is the following information made accessible to workers: hazardous ingredients, preparation information, product information, physical data, fire or explosion hazards, reactivity data, toxicological properties, preventive measures and first aid measures? (a) On workplace labels (b) On material safety data sheets (c) On product labels {Ans: }True