Industrial dryers work through evaporation, or the process by which a liquid is converted into a gas and diffused into the atmosphere. Sometimes, dryers also engage in sublimation, which is when a solid changes directly into a gas.
All of these dryers perform drying action using one of three methods air drying, spray drying, and infrared drying. Of these, air drying is the most common. It works simply, by bringing materials being dried into direct contact with cold or hot air. Examples of cold and hot air dryers include fluidized bed dryers, rotary dryers, flash dryers, and freezed dryes.
The biggest reason why the UAV industry has not been well developed for a long time is limited by its wireless transmission technology. The emergence of high-definition wireless mobile video transmission equipment has completely solved this technical problem and led the development of the drone industry to a new stage. Here we will specifically understand the advantages of HD wireless mobile video transmission equipment in the development of the drone industry. 
Today, in the drone industry, both consumer-grade and industrial-grade drones are expanding their applications. For example, in the aspect of emergency rescue, for some areas with complex terrain or large area, the video transmission function of the drone can be used to search a large number of areas in a short time, which greatly reduces the difficulty of search and rescue and the consumption of manpower. It also ensures the safety of the lives of the rescued.
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