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.
Some folks prefer freeze dried over dehydrated food, but both varieties have advantages and disadvantages. Read labels of any purchased long-term storage food carefully if organic status, gluten, GMOs, or vegetarian dietary needs are a concern.Pros and Cons of Freeze Dried Food.reeze dried food is flash frozen and then placed inside a vacuum pouch or container. Unlike the long dehydrating process, water in freeze dried food vanishes quickly. The fast removal of moisture prevents the food from shriveling or looking âdeformedâ as it can often do during the dehydration process.