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A 30 L top and bottom-loading Deuter Trans Alpine hiking backpack A 12 L front-loading Canon 200EG photography backpack. A backpack—also called knapsack, schoolbag, rucksack, pack, booksack, bookbag, haversack or backsack—is, in its simplest frameless form, a fabric sack carried on one's back and secured with two straps that go over the shoulders; but it can have an external or internal ...
Pack (aircraft), P.A.C.K (Pneumatic Air Cycle Kit), a kit containing an air cycle machine that provides air conditioning as part of an aircraft's environmental control system Pack (compression) , a UNIX utility to compress files using Huffman encoding
UK Risperdal Tablets 2000 in a blister pack, which was itself packaged in a folding carton made of paperboard. Packaging is the science, art and technology of enclosing or protecting products for distribution, storage, sale, and use. Packaging also refers to the process of designing, evaluating, and producing packages.
A pack of coyotes in Yellowstone National Park in 1999. A pack is a social group of conspecific canines. The number of members in a pack and their social behavior varies from species to species. Social structure is very important in a pack. Canine packs are led by a breeding pair.
An ice pack or gel pack is a portable bag filled with water, refrigerant gel, or liquid, meant to provide cooling. They can be divided into the reusable type, which works as a thermal mass and requires freezing, or the instant type, which cools itself down using chemicals but can only be used once.
A common ultralight alternative to an internal frame pack is a frameless pack made of ripstop nylon, silnylon, or ultra-high-molecular-weight polyethylene with a carrying limit of around 11 kg (24 lb). A large internal-frame pack will usually weigh more than 1 kg (2.2 lb), with features such as hip belts, lifter straps, sternum straps, and ...
A battery pack is a set of any number of (preferably) identical batteries or individual battery cells. [1] [2] They may be configured in a series, parallel or a mixture of both to deliver the desired voltage and current. The term battery pack is often used in reference to cordless tools, radio-controlled hobby toys, and battery electric vehicles.
A jet pack, rocket belt, rocket pack or flight pack is a device worn as a backpack which uses jets to propel the wearer through the air. The concept has been present in science fiction for almost a century and the first working experimental devices were demonstrated in the 1960s.