Arc Flash Boundary (ARC) - is the distance at which an electrical arc can flash. outward, which may endanger employees working on electrical equipment. Flash Protection Boundary (FPB) - theJcalculated safe working distance from. electrical equipment which would not expose the employee to the hazards.
One advantage of freeze drying is that food preserved in this method can last longer than food preserved in virtually any other way. Freeze dried foods, if stored properly, can last for years, even decades, and taste exactly as they did the day they were bought fresh.
Cooling Food for Freezing. 1  1. Cool your food quickly before storing it in the fridge or freezer. 2  2. Keep the air flowing. 3  3. Keep thick foods, such as refried beans and stews, in loosely-covered, shallow pans or pots.  4. Try an ice bath for 1  soups. 5. Try an ice paddle or a cooling paddle.  6. Use some ice instead of water in your recipe.