According to Xinhua News Agency, an American space development company is working on the development of a mini greenhouse that can cultivate flowers on the moon and take the first step toward space greenhouses. Astronauts may one day be able to bid farewell to space foods such as dehydrated compressed foods and semi-liquid batter, and eat fresh vegetables away from the earth. Agence France-Presse introduced on the 17th that the so-called "lunar oasis" is to send a small enclosed "greenhouse" to the surface of the moon. The "greenhouse" is shaped like a bell, and the exterior is protected by a triangular aluminum frame with a height of 46 cm to ensure that it can safely send the plants used for experiments to the moon and grow smoothly. The Moon Expedition Limited, which stands out from the "Google Moon X Award," is responsible for sending missions. By then, the "greenhouse" will carry the seeds of Brassica into space. Such plants have a short flowering period, and it takes only 14 days from sowing to flowering in the earth, and it takes only one night to bloom on the moon. First launched in 2012 Paragon officials said that according to the launch plan of the Moon Expedition, the “Lunar Oasis†test can only be launched in 2012. “Although it is a long way to develop biomes on the Moon and even on Mars, it is important that we have already started to study it,†said Jan Bonnet, president of Paragon. “It takes time to research and develop a reliable and efficient system. In order to successfully cultivate biomes."
Electric hand drill is a drilling tool powered by AC power or DC battery. It is a kind of hand-held electric tools.
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Hand electric drill is the largest sales of power tools industry products, widely used in construction, decoration, furniture and other industries, used in the object on the opening or piercing objects, some industries are also known as electric hammer.
The main components of the hand electric drill: drill chuck, output shaft, gear, rotor, stator, housing, switch and cable.
Electric hand drill (pistol drill) - used for drilling metal materials, wood, plastic, etc. When equipped with a positive and negative switch and electronic speed regulating device, it can be used as an electric screwdriver. Some models are equipped with rechargeable batteries, which can work normally without external power supply for a certain period of time.