black copy copy space factory forklift lift lifting logistic space storage storing supplier transport transportation warehouse yellow cargo container equipment freight handling industry loader loading machine machinery moving storehouse truck unloading vehicle build construcion cutout fork lift fork truck isolated lift truck renovation tow-motor tractor work depot magazine stack stock store storeroom advice alert announcement appropriate-behavior appropriate-behaviour aware awareness be-careful beware care careful caution communicating communication concern danger dangerous directions informing listen Look looking lookout moving-machinery observant rain rain-drops red risk risks safety sign signs trams warning warning-sign watch watch-out workplace