Food Stored At Room Temperature-- Wide variety of foods preserved in Raytheon Manufacturing Company's food laboratory, can be stored one kitchen shelf indefinitely at room temperature. In photo, Pat McGovern reaches for a jar of strawberries on pantry shelf. Other preserved foods on top shelf inside cupboard are--left to right--lobster tails, shrimp, filet of sole and strawberries (small jar on top) and shrimp beneath. Second shelf holds--left to right--chicken breasts, veal, sirloin steak, mushrooms and steak, Bottom shelf and those outside cabinet are laden with shrimp.