Environmental factors may throw a spanner in the works, such as insufficient light, a slippery floor or surface, not enough work space, etc. Moreover, it is possible that a colleague could use a piece of equipment incorrectly because he/she doesn’t have the required basis/training to use it safely, fails to respect the prescribed instructions for use, or (un)consciously proceeds in an unsafe manner. It’s also clear that the prescribed Personal Protective Equipment must be worn.