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.
Freeze-Dried Foods versus Dehydrated Foods. One of the oldest forms of food preservation (and one people are very familiar with today) is dehydration. Dehydrated foods do not retain nutrients as well as canning or freezing, but they are still a good way to have fruits vegetables and meats in your long term food storage.They dehydration process basically heats up the food hot enough to remove the moisture but not hot enough to cook it.any people think that freeze-dried foods are the same as dehydrated. However, there are some significant differences between the two processes as well as a big difference in the finished product. Letâs explore the freeze-drying process in more depth.