Application devices are tools or equipment used to apply a specific product or material to a surface. Common examples include sprayers, rollers, and brushes, which help in evenly distributing paints, coatings, or adhesives. These devices are designed to enhance efficiency and precision during application processes. In various industries, application devices play a crucial role in ensuring quality and consistency. For instance, in the construction sector, sprayers are often used for applying sealants or finishes, while rollers are preferred for larger surface areas. Proper use of these devices can lead to better results and reduced waste of materials.