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It's called a "Motion Detector"!
A barostat is a device used to maintain a constant atmospheric pressure.
If the unknown indoor game is jai alai, that would be a cesta. The cesta is used to catch the ball coming off the wall and throw it back to the wall.
A quality parameter is a measuring device used to measure rivers, lakes, and ground water. This device can measure the way these bodies of water change.
Ioniser
Polar cube is a device used to maintain cold tissues of a patient.
HVAC (Heating, Ventilation, and Air Conditioning) systems are used to control indoor temperature, humidity, and air quality in buildings or spaces. They provide thermal comfort and maintain a healthy and safe environment by regulating heating and cooling, ensuring proper ventilation, and filtering air to improve indoor air quality. HVAC systems are essential for maintaining comfort, preserving building structures, and supporting human health and productivity in various settings, including homes, offices, hospitals, and industrial facilities.
A device that produces ionization, especially one used to improve the quality of the air in a room.
Grading is evaluating installation or adequacy of ratings and quality of elements used in device or method.
Most aircraft are fitted with a gyroscope which is used to maintain orientation while an aircraft is changing direction or climbing and descending.
Watering cans are used to water indoor flowers.
The poetic device used in the phrase "stand stock stay" from "Grendel" is alliteration, which is the repetition of the initial consonant sound in nearby words. This device creates a rhythmic and memorable quality to the phrase.