The principle of a laboratory refrigerator is based on the vapor-compression cycle, where a refrigerant absorbs heat from the internal environment and releases it outside, maintaining a consistently low temperature to preserve samples.

Both refrigerators and freezers operate on the principle of heat removal through a vapor-compression or absorption cycle. By removing heat from the storage area and expelling it, these appliances maintain a cool or freezing environment, ideal for sample preservation.

A laboratory freezer is a specialized appliance designed to store biological specimens, chemicals, and other sensitive materials at temperatures below freezing. These freezers often have precise temperature controls to ensure samples are stored under optimal conditions.

Mechanical washers, including laboratory-specific dishwashers and autoclave washers, are commonly used in laboratories to clean glassware, instruments, and other lab equipment efficiently and thoroughly.

A mechanical washer in a laboratory ensures consistent, thorough cleaning of glassware and lab instruments. It removes contaminants, residues, and biological materials, preparing equipment for sterilization and reuse.

A washing machine operates by mixing water and detergent, agitating the load to dislodge dirt, and using centrifugal force to rinse and spin out water. In lab settings, specialized washing cycles ensure glassware and equipment are residue-free.

A washing machine typically includes a motor, drum, water inlet and drain system, control panel, and pump. In laboratory models, additional filters and high-temperature settings are available for sanitizing sensitive lab equipment.

An air conditioner is a device that cools and dehumidifies air in a space by circulating refrigerant through a series of coils, removing heat and releasing it outside.

Air conditioners are essential in computer labs to maintain an optimal temperature and prevent overheating. Computers generate significant heat, which can affect performance and shorten their lifespan if not managed.

Air conditioning in computer labs helps control temperature, humidity, and air quality, providing a comfortable and safe environment for equipment and users. This minimizes the risk of hardware failure due to overheating.