Keeping FooD Service Safe ❙ eRgonomiCS aSSiSTanCe Observation: Employees open cardboard boxes by gripping the lids and pulling them open. This could lead to sprains and/or strains of the hands and other common overexertion injuries. Recommendation: Change the method of opening boxes by using ergonomically-designed box cutters, which also result in significantly fewer lacerations than traditional box cutters.