Work in a plastics factory hydraulic presses ,tools weighing upto 40 tons,plastic trimmed with stanley knives and side cutters ,oily floors working at heights the whole 9 yards.Crush injury ,blunt force trauma ,heart attacks .In 21 years ive seen skinned hands ,burns encased in plastic which eats skin ,crush injury drilled hands people knocked out cold by steel hanging bars the list is endless as you say Paul you deal with it or you go home.
To me sorry +F is a money spinner there,s no plus Plastics but it,s a dangerous place fingers ripped out ,people having there skin removed abs is heated to 250 deg c it will kill you.
40 tons of steel squashes your finger to nowt ,hydraulic presses remove your fingers+ tendons and leave you a quivering wreck to get to hospital.As Paul says take any training they give but sorry no extra this that the other a first aider should be able to deal with you not say oops i havent been trained in that