Discover the different types of cold frames. These valuable tools extend the growing season and protect plants from frost.

Flying ready-made quadcopters is fun. Eventually, though, most hackers get the urge to build their own. One of the most challenging parts is building a robust airframe. [Thomas Jarrett] has an ...

If your backpack's external frame died years ago or if you found a cheap ALICE pack on Craigslist without a frame, you can easily make one with around $3 worth of PVC piping and fittings. The only ...

PVC, as the synthetic material Polyvinyl Chloride is called, or Polyvinyl Chloride, is one of the most produced plastics in the world, reaching 40 million tons per year. Its application is quite ...

Cold frames are season-extending covers constructed over vegetable beds to keep the frost off. Like a miniature, temporary greenhouse, they are employed in early spring to create a warm space for ...

arcapita announces acquisition of <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" />europe’s largest manufacturer of pvc frames ...

Oyap Ethio Industrial and Trading Plc, a new Turkish Company, has become the third in Ethiopia to assemble polyvinyl chloride (PVC) door and window frames. The company was established in February 2005 ...

One of the biggest revolutions in the look of Britain's buildings in recent years has been in windows. The British government's efforts to cut energy use in homes has singled out windows for special ...