The one on the left because it fancy
So the Spaulding Classification is a system for matching the disinfection and sterilization of surfaces. This is usually used with medical or surgical devices.
Yeah, you can cool soft/thick foods by
pouring food into a shallow metal pan. The food cannot be more
than 4 inches deep. For very thick foods like refried beans or chowder,
you must have the food no more than 3 inches deep. You can also cool
soft/thick foods using an ice and water bath.
They make your bones stronger because your bones have to maintain to hold the weight.