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.
Many of the same advantages that a top-freezer style boasts are present in a refrigerator that has the freezer on the bottom. Almost as popular and nearly as affordable, a bottom-freezer is a great choice for anyone who has a traditionally sized kitchen. Some other advantages of this style include: 1  No hunching over required to access commonly used refrigerated items. 2  Drawer-style freezer door options. 3  Slightly larger size than top freezers. 4  Simple design.