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.
Getting Started: Canning Methods. Understanding the components and difference of water bath and pressure canning will help you choose which method will work best for you and the foods you choose to preserve. Technique 1: Water Bath Canning. Water bath canning is a shorter, lower-temperature canning process that is ideal for high-acid foods. The high acidity of the foods kills bacteria, allowing for the water bath method. Types of fruits and vegetables ideal for water bath preserving, include: Fruits and fruit juices.