Dust mask should be worn whenever risk of dust particles are airborne
No jumping down / up on inspection bay
Once the driver has turned off the engine ,applied handbrake,removed keys and dismounted his vehicle ONLY trained manual handling operatives must open the container doors
Etc,etc,etc
Every day you have too sign more and more of this crap ,oh for the old days
The goods in containers can be carcinogenic,the dust could give lung problems in later life.As they come from exotic countries, lizards,spiders and other animals get a free ride in to the UK.
Loads can shift and knock you on your head while opening the doors, the manifest may not explain the load can move.
A heavy bale of cotton will make you in to a pancake.