What is necessary for the presence of three handles on the canister.

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This article is devoted to the history of the appearance of the fuel canister with a nominal volume equal to twenty liters. The question of the constructive feature of the canister will also be considered, namely why it provides for the presence of three handles.

Such a peculiar design of canisters for various fuel and hot materials was developed in the 30s, twentieth century. The creator of the canister is rightfully considered Vintin Grunegel, a German engineer.

As for the design for fuel capacity, the question here is very simple, but it may immediately seem incomprehensible. The presence of three handles on the canister is due only to the convenience and in its operation.

Two features are distinguished in connection with which this design has been developed.

The first feature is the convenience of carrying the canister. One person is hard to move the fuel filled canister, however, if two wrap the handles in its edge, then transportation will be much more convenient and easier.

Still, if the canor will have to bear one person, then it can use a handle located in the center.
The second feature is transporting several such tanks.

If a person needs to carry four cans at a time, then they can be installed in pairwise and take up the extreme handles of two tanks, thereby calmly transfer all four cans without any difficult tasks.

Such a design of the canister once again proves that all the genius is simplicity, especially since the design of the capacity did not cause any changes over the extent of the invention, and since the invention, the canisters passed almost 100 years.

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