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Hace 16 horas · Irrigation of agricultural fields in Andalusia, Spain.Irrigation canal on the left. Irrigation (also referred to as watering of plants) is the practice of applying controlled amounts of water to land to help grow crops, landscape plants, and lawns.Irrigation has been a key aspect of agriculture for over 5,000 years and has been developed by many cultures around the world.
Hace 16 horas · Outside of typical elevators, shown in an office building in Portland, Oregon This elevator to the Alexanderplatz U-Bahn station in Berlin is built with glass walls and doors, exposing the inner workings.. An elevator (American English) or lift (Commonwealth English) is a machine that vertically transports people or freight between levels.They are typically powered by electric motors that ...
