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misuse. (for example, a broken drill bit causing eye trauma when ejected during operation,
where this not the case when using a screwdriver).
Additional hazards associated with the use of power tools
Electricity – the main source which is required to operate a power tool – electrocution, burns from
hot surface, fire and explosion.
Fuel – fire and explosion when petrol or other type of fuel is used.
Entanglement – rotating shafts or spindles may entangle loose clothing.
Ejection – fragments from operation or damaged disc wheels.
Flying debris – dust is produced during operation, e.g. using drilling machine to drill on a wall.
Vibration – powered tools may cause HAVS / WBV.
Noise – temporary and permanent hearing loss, as the power tools create high level of noise
during operation.
Trip hazards – trailing power cables are potential to cause trip hazard.
Precautions that can be applied for safe use of power tools
• Select the tool appropriate for the task and suitable for the environment.
• Follow instructions in the user's manual for lubricating and changing accessories.
• Avoid accidental starting. Do not hold fingers on the switch button while carrying a plugged-in
tool.
• The operator must carry out a visible inspection prior to use the tool.
• Tools should be maintained in good condition, subject to regular maintenance schedule.
• Maintenance carried out by a competent person and the records to be maintained, this helps
to keep a track of future maintenance schedules.
• Disconnect tools when not using them, before servicing and cleaning them, and when changing
accessories such as blades, bits, and cutters.
• Defective tools must be removed or discarded.
• Provide information, instruction, and training.
• Ensure a safe system of work is developed and communicated to all the users, emphasis
monitoring to ensure all the users follow safe system of work.
• Provide suitable personal protective equipment – gloves, goggles, face shields etc.,
ENSIGN | Unit IG2 – Element 9 – Work 7
Equipment
