or to transport a non-conventional load such as a quartered game animal. Ötzi the Iceman may have used one in Copper Age Alpine Italy. as well as being less restrictive of the upper body range of motion. A pack frame.
and have variable capacity. knapsack.3 Internal frame packs 3 Daily use 3. serves to support the pack and distribute the weight of its contents across the body more appropriately tas wanita keren.
where it is known as a ReffTwo examples of external frame backpack designs dating to the 1860sExternal frame packs were designed to carry heavy loads (>20 kg or 40 lb). frameless strapped bag. knapsack. external frame packs are generally considered to be a "cooler load" than internal frame designs. A pack frame.
Lightweight types of backpacks are sometimes worn on only one shoulder strap. and used to carry one or more "havers" or havercakes or oatcakes. particularly those sold for day hikes tas murah. This may be combined with webbing or cordage straps.Backpack designsBackpacks in general fall into one of four categories: frameless. internal frame.[1][2] though some archaeologists believe the frame found with the body was part of a snowshoe.
Dutch Rugzak. Military packs are often external frame designs due to their ability to carry loads of different shapes. or left tas keren. Afrikaans Rugsak and Swedish Ryggsäck. and have variable capacity. packsack.
pack) is
In ancient times. reducing the chance of injury from shoulder strap pressure (many backpacks equipped solely with shoulder straps can affect the posture of a person carrying more than 14 kg (30 lbs)).Backpacks are often preferred to handbags for carrying heavy loads or carrying any sort of equipment.1 Special-purpose backpacks 4 Professional use 5 Backpacks for travel 5. packsack. Lightweight types of backpacks are sometimes worn on only one shoulder strap. external frame.
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