Crate
Channel: all the knowledge of the universe PRINCIPIA
Date: 2022-01-20

Crate, by Wikipedia https://en.wikipedia.org/wiki?curid=1010583 / CC BY SA 3.0

#Containers
#Shipping_containers
A crate used to transport ordnance A crate is a large shipping container, often made of wood, typically used to transport or store large, heavy items.
Steel and aluminium crates are also used.
Specialized crates were designed for specific products, and were often made to be reusable, such as the "bottle crates" for milk and soft drinks.
Crates can be made of wood, plastic, metal or other materials.
The term crate often implies a large and strong container.
Most plastic crates are smaller and are more commonly called a case or container.
Metal is rarely used because of its weight.
When metal is used, a crate is often constructed as an open crate and may be termed a cage.
Although a crate may be made of any material, for these reasons, the term 'crate' used alone often implies one constructed of wood.
An open frame style crate used for a bicycle An early open style crate for heavy cast iron A sheathed （closed） plywood crate A sheathed （closed） lumber crate Wooden crate with cleating A wooden crate has a self-supporting structure,
with or without sheathing.
For a wooden container to be a crate, all six of its sides must be put in place to result in the rated strength of the container.
Crates are distinct from wooden boxes.
The strength of a wooden box is rated based on the weight it can carry before the top （top, ends, and sides） is installed, whereas the strength of a crate is rated with the top in place.
In general conversation, the term crate is sometimes used to denote a wooden box.
Crates had been used for many years without a clear origin in documented history.
Modern crates from the early 20th century demonstrate a very evolved technology already considering practical and economic considerations built into crate designs.
Moving heavy products such as enamelled cast iron sinks, bath tubs, and lavatories was often done without any packaging prior to 191...