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Like the intermediate EM gauge standard in 4 mm scale, some modellers in 3 mm scale developed 13.5 mm (0.531 in) track gauge, but this has largely been superseded by 14.2 mm (0.559 in) gauge. Both 3 ft ( 914 mm ) narrow gauge (using 9 mm / 0.354 in gauge track) and 5 ft 3 in ( 1,600 mm ) broad gauge (using 15.75 mm / 0.620 in gauge track) are ...
The distance between the inside edges of the heads of the rails is defined to be 1,435 mm except in the United States, Canada, and on some heritage British lines, where it is defined in U.S. customary/customary UK units as exactly "four feet eight and one half inches", [7] which is equivalent to 1,435.1 mm.
In common parlance, the term keg refers to a half-barrel (15.5 U.S. gallon) vessel as this is the most common size used in restaurants, bars and limited home use. A quarter-barrel has a volume of 7.75 U.S. gallons.
Alcohol measurements are units of measurement for determining amounts of beverage alcohol. Alcohol concentration in beverages is commonly expressed as alcohol by volume (ABV), ranging from less than 0.1% in fruit juices to up to 98% in rare cases of spirits.
Ground calcium carbonate is an abrasive (both as scouring powder and as an ingredient of household scouring creams), in particular in its calcite form, which has the relatively low hardness level of 3 on the Mohs scale, and will therefore not scratch glass and most other ceramics, enamel, bronze, iron, and steel, and have a moderate effect on ...
For a human eye with excellent acuity, the maximum theoretical resolution is 50 CPD [43] (1.2 arcminute per line pair, or a 0.35 mm line pair, at 1 m). A rat can resolve only about 1 to 2 CPD. [ 44 ] A horse has higher acuity through most of the visual field of its eyes than a human has, but does not match the high acuity of the human eye's ...
[82] [83] Studies of the size of the ichnotaxon Naktodemasis bowni, produced by either cicada nymphs or beetle larvae, over the course of the K-Pg transition show that the Lilliput effect occurred in terrestrial invertebrates thanks to the extinction event. [84] The extinction event produced major changes in Paleogene insect communities.
Not so according to this very neutral height/weight website: Black Men's Height Chart White Men's Height Chart For white guys: 50 %ile is 178 cm, 75 %ile is 182 cm, 95 %ile is 190 cm For black guys: 50 %ile is 177 cm, 75 %ile is 182 cm, 95 %ile is 189cm However, I have read somewhere that evolutionary selection may have affected human penis ...