... prone, rolling, pressing, rolling, cutting and other mechanical injury job shop, set the "Beware of mechanical wounding." ... Safety signs l hand in easily lead to injury, machine shop, set the "Beware of injured ... and other bulk materials easily lead to foot injury workshop, set "Look out feet."2, the ... gloves."l drop in easily lead foot (stab) injury workshop, set the "must wear protective shoes." 3 ...