a system or process used to cool, dehumidify, and sometimes purify the air in a space, making it more comfortable, especially in hot weather.
air-conditioning
a tool, machine, or piece of equipment that is designed for a specific purpose, often involving technology or mechanical functions
a device
a facility where materials, such as paper, plastic, glass, and metal, are collected, sorted, and processed to be reused or repurposed instead of being thrown away.
a recycling centre
to process used materials or products so they can be reused, rather than being thrown away as waste.
to recycle
a device used to control the flow of liquid, typically water, from a pipe.
a tap
materials or resources that are not used properly and are discarded or lost, often unnecessarily.
waste
a resource that can be replaced naturally and is not used up, such as solar, wind, or water energy.
renewable
keep and store up (something, especially money) for future use.
to save
a system or device used to provide warmth in buildings, such as central heating.
heating
