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The American Twelfth (10 2 ⁄ 3 US oz [315 mL], or 1 ⁄ 12 of a US gallon), American Commercial Pint (12.8 US fl oz [379 mL], or 1 ⁄ 10 of a US gallon) / British Reputed Pint (13 1 ⁄ 3 imp oz [379 mL], or 1 ⁄ 12 an Imperial gallon), and the Canadian "stubby" bottle (12 imp oz [341 mL]) may have been factors.
The British imperial gallon (frequently called simply "gallon") is defined as exactly 4.54609 dm 3 (4.54609 litres). [4] It is used in some Commonwealth countries, and until 1976 was defined as the volume of water at 62 °F (16.67 °C) [ 5 ] [ 6 ] whose mass is 10 pounds (4.5359237 kg).
The Winchester bushel is the volume of a cylinder 18.5 in (470 mm) in diameter and 8 in (200 mm) high, which gives an irrational number of approximately 2150.4202 cubic inches. [4] The modern American or US bushel is a variant of this, rounded to exactly 2150.42 cubic inches, less than one part per ten million less. [ 5 ]
An imperial fluid ounce is 1 ⁄ 20 of an imperial pint, 1 ⁄ 160 of an imperial gallon or exactly 28.4130625 mL. A US customary fluid ounce is 1 ⁄ 16 of a US liquid pint and 1 ⁄ 128 of a US liquid gallon or exactly 29.5735295625 mL, making it about 4.08% larger than the imperial fluid ounce. A US food labeling fluid ounce is exactly 30 mL.
A fluid ounce (abbreviated fl oz, fl. oz. or oz. fl.) is a unit of volume. An imperial fluid ounce is defined in British law as exactly 28.4130625 millilitres, [15] while a US customary fluid ounce is exactly 29.5735295625 mL, [16] and a US food labelling fluid ounce is 30 mL. [17]
Recycling codes on products. Recycling codes are used to identify the materials out of which the item is made, to facilitate easier recycling process.The presence on an item of a recycling code, a chasing arrows logo, or a resin code, is not an automatic indicator that a material is recyclable; it is an explanation of what the item is made of.
The system can be traced back to the measuring systems of the Hindus [18]: B-9 and the ancient Egyptians, who subdivided the hekat (about 4.8 litres) into parts of 1 ⁄ 2, 1 ⁄ 4, 1 ⁄ 8, 1 ⁄ 16, 1 ⁄ 32, and 1 ⁄ 64 (1 ro, or mouthful, or about 14.5 ml), [19] and the hin similarly down to 1 ⁄ 32 (1 ro) using hieratic notation, [20] as ...
Propylene carbonate (often abbreviated PC) is an organic compound with the formula C 4 H 6 O 3. It is a cyclic carbonate ester derived from propylene glycol. [4] This colorless and odorless liquid is useful as a polar, aprotic solvent. [5] Propylene carbonate is chiral, but is used as the racemic mixture in most contexts.