검색 결과: "restauration works"

Gloves appear to be of great antiquity. According to some translations of Homer's The Odyssey, Laërtes is described as wearing gloves while walking in his garden so as to avoid the brambles.[3] (Other translations, howev…더

A space suit is a garment worn to keep a human or other creature alive in the harsh environment of outer space, vacuum and temperature extremes.

Earplugs for protection against noise for sleeping, sports or work.

Implements used to work on materials, assemble parts, make adjustments or perform other practical tasks, by hand or with power.

In an electric power system, switchgear is the combination of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment. Switchgear is used both to de-energize eq…더

The term "nanosatellite" or "nanosat" is applied to an artificial satellite with a wet mass between 1 and 10 kg (2.2 and 22 lb). Designs and proposed designs of these types may be launched individually, or they may have …더

A glove is a garment covering the whole hand.Gloves have separate sheaths or openings for each finger and the thumb; if there is an opening but no covering sheath for each finger they are called "fingerless gloves". Glov…더

Ultrasonic heat meters operate on the principle of changing the time of the ultrasonic signal from the source to the receiver signal, which depends on the rate of flow. The basic principle of any one of them is similar t…더