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.
Tip: Freezing Potatoes. Cooked potatoes make the best candidates for freezing. Raw potatoes can be frozen with mixed results, but may develop a watery or grainy texture during freezing. If freezing casseroles or dishes containing unbaked potatoes, it's best to omit them during freezing and add them in fresh later.