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Tanks listed as suitable for outdoor service are protected from UV attack by: coloring or pigmenting and/or adding internal stabilizers which preferentially absorb or dissipate the UV energy. Shading tanks from the sun will also prevent deterioration. Tanks must be free to expand or contract, avoid excessive tension on the tank.
Sintex began a campaign called ReviveOurRivers in October 2017 encouraging people to make a pledge to keep rivers clean. [22] In August 2019, Sintex Plastics sold the entirety of subsidiary Sintex NP SAS to XTECH Invest. [23] The French unit was known as Nief Plastic SA before Sintex acquired it in 2007. [24]
Tanks are often referred to by weight-based classifications such as 'light', 'medium' or 'heavy', and by extension the role that this size of tank was suitable for. There were many names given to different tank types, and similar names did not assure similar design goals. Some light tanks were relatively slow, and some were fast.
The Landkreuzer P. 1000 "Ratte" (English: Land Cruiser P. 1000 "Rat") was a design for a 1000-ton tank to be used by Germany during World War II which may have been proposed by Krupp director Edward Grote in June 1942, who had already named it "Landkreuzer" ("Land cruiser").
The size of a pressurised gas container that may be classed as a gas cylinder is typically 0.5 litres to 150 litres. Smaller containers may be termed gas cartridges, and larger may be termed gas tubes, tanks, or other specific type of pressure vessel.
Standard fuel bladder tanks sizes range from 100-US-gallon (380 L) to 200,000-US-gallon (760,000 L) capacities and larger. Custom fuel storage bladders and cells are available, although at sizes exceeding 50,000 US gallons (190,000 L) there is an increased spill risk.
The most common diesel tank designs are cylindrical, rectangular and D-Style tanks. Cylindrical designs are often selected for their visual appeal while the rectangular tank is most often employed to maximize fuel volume for a given space. The D-Tank, as its name implies, is actually a hybrid of the cylindrical and rectangular designs.
The next generation of main battle tanks in development has autoloaders becoming increasingly more common, even in western designs, with some moving all of the crew into a more heavily protected hull space with unmanned turrets. The tendency to increase calibre sizes continues, with multiple designs having capability for 140mm guns to be fitted.