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The Sheet Metal Workers' International Association (SMWIA) was a trade union of skilled metal workers who perform architectural sheet metal work, fabricate and install heating and air conditioning work, shipbuilding, appliance construction, heater and boiler construction, precision and specialty parts manufacture, and a variety of other jobs involving sheet metal.
Corrugated galvanised iron (CGI) or steel, colloquially corrugated iron (near universal), wriggly tin (taken from UK military slang), pailing (in Caribbean English), corrugated sheet metal (in North America), zinc (in Cyprus and Nigeria) or custom orb / corro sheet (Australia), is a building material composed of sheets of hot-dip galvanised ...
Sheet metal is available in flat pieces or coiled strips. The coils are formed by running a continuous sheet of metal through a roll slitter. In most of the world, sheet metal thickness is consistently specified in millimeters. In the U.S., the thickness of sheet metal is commonly specified by a traditional, non-linear measure known as its ...
Plum tomato: Red Looks almost identical with Roma tomato: Raf tomato: Red Raspberry Lyanna Pink Open Pollinated Hybrid 6–10 oz Oblate Semi-Determinate Regular Leaf Canning Slicing Sweet, rich flavor. [107] [108] Rebekah Allen Pink 65–70 Heirloom Round Indeterminate Regular Leaf Some disease resistance. Complex, balanced flavor. [109] [110 ...
A beef tomato (British English) or beefsteak tomato (American English) [1] [2] is a large tomato. [1] Grown on the plant Solanum lycopersicum , it is one of the largest varieties of cultivated tomatoes, regularly at 20 cm (7.9 in) in diameter with some weighing 450 g (1 lb) or more. [ 3 ]
It was the most popular variety of tomato in the world, according to Thomas J. Orton, a professor in the department of plant biology and pathology at Rutgers University. [6] The Rutgers tomato, at its peak, made up more than 60% of all commercial tomato sales. [7] The Rutgers tomato plummeted in popularity with commercial farmers in the 1960s.
1984 – Fold-forming system developed by Charles Lewton-Brain to produce complex three dimensional forms rapidly from sheet metal; 1985 – The first fullerene molecule discovered by scientists at Rice University (see also: Timeline of carbon nanotubes) 1986 – The first high temperature superconductor is discovered by Georg Bednorz and K ...
The Marglobe tomato was developed in 1917 by Frederick J. Pritchard of the United States Department of Agriculture's Agricultural Experiment Station by crossing the Marvel and Globe tomatoes ("Marglobe" is a fusion of the two names).