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.
Food drying is one of the oldest methods of preserving food. and is simple and easy to learn. Drying removes the moisture. from the food so that bacteria, yeasts and molds cannot grow. and spoil the food. Making safe dry foods requires cleanliness at. every step, protecting the food from airborne spoilers and other.