13 sets of dishwashers represent how many things can be put in

Can hold 13 large plates, 13 small plates, 13 coffee cups, 13 saucers, 3 larger bowls, 13 glasses, 13 knives, 13 forks, 13 spoons , 13 coffee spoons.

A dishwasher is a device that automatically cleans bowls, chopsticks, plates, dishes, knives, forks and other tableware. Fully automatic dishwashers on the market can be divided into two categories: household and commercial. Fully automatic dishwashers for household use are only suitable for families. They mainly include cabinet type, desktop type, integrated sink type and integrated type.

Commercial dishwashers can be divided into five categories according to their structure: cabinet type, hood type, basket type, belt type, and ultrasonic, which reduce labor intensity for cooks in restaurants, hotels, and canteens of government agencies. , improve work efficiency and improve cleanliness and hygiene.

The first machine dishwashing patent appeared in 1850, owned by Joel Houghton, who invented a manual dishwasher.

In 1929, the German Miele company manufactured Europe's first electric household dishwasher. However, its appearance was still a relatively simple "machine" and was not closely related to the overall environment of the home.

In 1954, the American GE Company produced the first electric desktop dishwasher. Not only did the washing performance improve, but the overall volume and appearance of the machine also improved.

In Asia, Japan was the first to engage in dishwasher research. By the mid-to-late 1990s, Japan had developed microcomputer fully automatic desktop dishwashers.

At the same time, Europe and the United States have developed household dishwashers into kitchen appliances with a unified image.