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.
Drying Fruits and Vegetables. Dried foods are tasty, nutritious, lightweight, and easy to store and use. The energy input is less than what is needed to freeze or can, and the storage space is less than that needed for canning jars and freezer containers.