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 or âdehydratingâ food is a method of food preservation that removes enough moisture from the food so bacteria, yeast and molds cannot grow. To dry foods successfully you need: Low humidity. A source of low heat--120 degrees F to 150 degrees F. Air circulation.