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.
Weight Reduction. All fresh foods contain water, which is its main source of weight (fruits are more than 80 to 90% water). However, during drying about 98% of the moisture in the food substance is removed, which reduces the weight by as much as 90%, making it lighter to carry backpacking. Aside from freeze-dryingâs use in backpacking and camping, the military also freeze-dries foods to make it easier for one person to carry large amounts.
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.