Course
How a workplace stays safe
Work out what a hazard is and what a risk is, how a risk is made smaller, where the harm at work really comes from, and why a disaster is never one mistake.
The shape of it
15 lessons
About 68 minutes in total. Your progress is kept on this device — no account, nothing sent anywhere.
Course complete
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The lessons
Why work hurts people
3 lessons · about 14 min01Most of the harm is slow
Tell apart the harm that arrives in a second from the harm that takes years, and say which is bigger.
About 5 min
02A hazard is not a risk
Work out a risk from how likely the harm is and how bad it would be.
About 5 min
03Three reasons, and who pays
Trace who pays when a worker is hurt, and spot the three reasons a workplace bothers.
About 5 min
How the risk gets smaller
4 lessons · about 18 min04Five steps, in order
Put the steps of a risk assessment in order and say who each one is for.
About 5 min
05Remove it before you wear it
Rank the ways of controlling a hazard, and say why protective gear comes last.
About 5 min
06Plan, do, check, act
Trace how a safety system finds its own faults, and what happens when the checking stops.
About 5 min
07Count the near misses
Tell apart measuring after harm from measuring before it, and read a zero honestly.
About 5 min
The hazards on the floor
5 lessons · about 23 min08The height is the energy
Work out how hard a fall lands from how high it starts.
About 5 min
09Where you hold it, not what it weighs
Work out how a load far from the body multiplies the strain on the back.
About 5 min
10Three decibels is double
Work out how long a sound can be heard before it does harm, from how loud it is.
About 5 min
11Fire needs three things
Spot which of a fire's three needs each control takes away.
About 5 min
12The body is a wire
Work out how much current a shock pushes through a body, and what stops it.
About 5 min
The harm that takes years
3 lessons · about 14 min13Four ways in
Spot how a substance gets into the body and work out the dose from the level and the time.
About 5 min
14Too much asked, too little say
Work out where the strain of a job comes from, using two dials.
About 5 min
15It is never one mistake
Take a real disaster apart into the layers that failed, and spot which one would have stopped it.
About 5 min