Vacuum equipment refers to devices designed to create a vacuum, which is a space devoid of matter, including air. These tools are commonly used in various industries, such as manufacturing, laboratories, and food packaging, to remove air or other gases from a container. This process helps preserve products, improve chemical reactions, and enhance the efficiency of certain processes. Common types of vacuum equipment include vacuum pumps, which remove air from a sealed environment, and vacuum chambers, where experiments or processes can occur without atmospheric interference. These tools are essential for applications like freeze-drying, vacuum sealing, and electron microscopy.