galvanized pipe
41Rainwater tank — A rainwater tank (sometimes called rain barrels , in North America or a water butt in the UK) is a water tank which is used to collect and store rain water runoff, typically from rooftops via rain gutters. Rainwater tanks are devices for… …
42Galvanic corrosion — This new manifold for water meters has replaced the old one after 4 years of use, having been connected directly to a copper pipe in the building (0.85 V of potential difference, see the point of corrosion in the bottom left). With a PVC battery… …
43Mining in Iran — Industry and Mining from U.S. Central Intelligence Agency map of Iran 1978. Mining in Iran is under developed. Yet the country is one of the most important mineral producers in the world, ranked among 15 major mineral rich countries,[1] holding… …
44Australian residential architectural styles — can be broadly categorised as follows (there are overlaps between periods): *Pre Colonial Period 30,000 BCE 1788 CE *Old Colonial Period 1788 c. 1840 *Victorian Period c. 1840 c. 1890 *Federation Period c. 1890 c. 1915 *Inter War Period c. 1915 c …
45Old St. Peter's Landmark — St. Peter s Roman Catholic Church U.S. National Register of Historic Places U.S. Historic district Contributing property …
46Installing building insulation — Due to the variety of building insulation materials available and the various building elements that may require insulation, there are a number of ways of installing building insulation.Where to insulateWhere to insulate depends on where your… …
47Yorkshire Fittings — are a proprietary range of pre soldered capillary connectors for joining copper pipes used in plumbing. They are suitable for installation by the advanced DIY hobbyist. They are also exceptionally useful in tight locations, where one hand is… …
48Barrel — For other uses, see Barrel (disambiguation). For the use of oak aging barrels in wine, see Oak (wine). Traditional oak barrels in Chile …
49Culvert — A large stone culvert (1888–89) in Blackwater Canyon, West Virginia. The structure formerly supported a railroad. A culvert is a device used to channel water. It may be used to allow water to pass underneath a road, railway, or embankment.… …
50Nail gun — Pneumatic nail gun in use A nail gun, nailgun or nailer is a type of tool used to drive nails into wood or some other kind of material. It is usually driven by electromagnetism, compressed air (pneumatic), highly flammable gases such as butane or …
