problem 1:

Name all the two major types of vibration which could affect workers’ health. What is the maximum Exposure Limit Value for hand-arm vibration that an employee might be exposed to on any single day?

problem 2:

Name all five components of a typical local exhaust ventilation system and their respective functions.

problem 3:

Briefly describe the two main cold-induced illnesses that employees may suffer from when working in cold rooms?

problem 4:

Laser beams are used in materials processing, research, medicine, entertainment, telecommunications and military. What is the main health hazards associated with lasers?

problem 5:

Internal combustion engine-powered forklift trucks must not be used in areas where adequate ventilation cannot be guaranteed. Why? What type of forklift is acceptable in cold rooms?