Those tools and equipment are very important for cooking because, how would you flip the pancake without a tool used for cooking pancake? Of course, by the means of "materials, utensils, and equipment" it also joins cooking pans, spoons, blenders, and others. and how would you make Bacons? Cakes? Cookies? Eggs? Hot dogs? And it is mostly dangerous to cook without any material and dangerous to cook with your own bare hands, you could mostly burn them.