Stop and engage your mind before your hands. Look at the task in hand.
Look at your workplace and find the hazards. Report these immediately to your supervisor.
Assess the effects the hazards have on you, the people you work with, equipment, procedures, pressures and the environment. Ask yourself if you have the knowledge, training and tools to do the task safely. Do this with your supervisor.
Manage and apply the correct controls and wear the correct PPE. If you feel unsafe, stop working. Tell your supervisor and team mates. Tell your supervisor what actions you think are necessary to make the situation safe.