1 Do wear long-sleeved cotton shirts and pants when cooking. 2  A clean, dry, properly worn apron or uniform can protect you from burns and hot oil splashes. 3  Do not cook without wearing protective clothing, even in hot temperatures or environments. Do not cook without wearing protective clothing, even in hot temperatures or environments. 2  Use appropriate hand protection when hands are exposed to hazards such as cuts, lacerations, and thermal burns. 3  Use oven mitts or pot holders when handling hot items, and steel mesh or Kevlar gloves when cutting.