The copper IUD is hormone-free; made from a small amount of a cheap, plentiful metal; and can last up to 10 years.
The ices that formed these planets were more plentiful than the metals and silicates that formed the terrestrial inner planets, allowing them to grow massive enough to capture large atmospheres of hydrogen and helium, the lightest and most abundant elements.
Such is the scale of China's urbanisation and industrialisation, both of which require plentiful supplies of the metal, that it consumes at least 40% (and by some reckonings 50%) of global output of around 16m tonnes in 2010.
Beyond oil markets, the prices for commodities are expected to be weighed down by a plentiful supply of food and metals amid slowing demand in emerging market economies.
More important, environmentalists argue, are the greenhouse gases created by producing and transporting even more plentiful raw materials, like cotton, industrial metals, oil, and thousands of different chemicals.
Profile Kazakhstan, geographically the largest of the former Soviet republics, excluding Russia, possesses enormous fossil fuel reserves and plentiful supplies of other minerals and metals, such as uranium, copper, and zinc.
Metal Ni is a plentiful resource that can actively split water toward hydrogen evolution reaction (HER) in alkaline solution, but exploiting high-efficiency Ni-based composite catalysts is still a significant assignment.
The conquistadores were convinced that El Dorado, which they had heard about from the Indians, was so plentiful in gold that the inhabitants ground the metal into dust and blew it through hollow canes about their bodies.
Metals such as nickel and iron, which are plentiful on Earth, could be processed while in orbit and used to build equipment or spacecraft.
Plentiful hydroelectric power generated in the interior mountains has stimulated industrial growth (chemicals, metals, machinery) in such cities as Niigata, Kashiwazaki, Naoetsu, Sanjō, and Takada.
