Ceramic tubes are insulating, high temperature resistant, waterproof and wear resistant, and are suitable for use as external protective materials at the branching of wires. When it comes to the protection of these key parts of the wires, the quality of ceramic tubes must be well controlled to avoid casualties…

Imagine that your orange farm has just picked a lot of oranges of varying quality. You need to sort these oranges into different piles according to specific attributes and sell them at different prices. What would you do? The traditional way is to hire some workers to inspect oranges one…