be68bdaa_tion_in_New_Zealand___Worksafe_le_3__Power_tools_hazard_table_Possible_consequences
[Hazard] Lack of training [Safe work practices] Ensure that the operator is trained and/or supervised by a competent person. Training should be undertaken, and the following explained: actual and potential hazards and controls correct use and adjustments of guards and other safety devices correct work methods to be used emergency procedures how the power tool works, and its purpose pre-start checks and adjustments how to recognise faults in the power tool how to stop and start the power tool. [Possible consequences] 
Personal injury
Demolition - Best practice guidelines for demolition in New Zealand | Worksafe
Possible consequences