https://www.napofilm.net/en/napos-films/films

Short and informative

Human Failures lead to errors, either action errors or thinking errors, human error does not exist, action based slip, memory based lapse, rules based mistake, knowledge based mistake are failures of both humans and systems.

I would follow Craig's advice and read the WorkSafe Best Practice Guideline "Safe Use of Machinery"? and the MBIE Factsheet "Guarding of Conveyors" and risk assess.