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265 bytes added ,  21:03, 21 December 2015
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The real-world quantities for products as used by the users us a far from ideal. However it is possible to find some common approach. (At least we try here)
 
The real-world quantities for products as used by the users us a far from ideal. However it is possible to find some common approach. (At least we try here)
 
* to indicate times, either a "*" or a "x" has been used;
 
* to indicate times, either a "*" or a "x" has been used;
* the generic formula is: multiplier * quantity * size_unit units
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* the generic formula is: multiplier * quantity size_unit for units
 
** multiplier indicates how often a quantity unit is used, i.e. 6 (25 cl bottles). This is a number.
 
** multiplier indicates how often a quantity unit is used, i.e. 6 (25 cl bottles). This is a number.
 
** quantity the size of the units in size_units, i.e. 25 (size) cl (size_unit) bottles (units). This is a number.
 
** quantity the size of the units in size_units, i.e. 25 (size) cl (size_unit) bottles (units). This is a number.
 
** size_units is the unit for the size parameter, i.e. kg, ml or cl. This is an enumerated?
 
** size_units is the unit for the size parameter, i.e. kg, ml or cl. This is an enumerated?
 
** unit is the element the numbers and sizes refer to, i.e. pot, bottle, sack, etc.
 
** unit is the element the numbers and sizes refer to, i.e. pot, bottle, sack, etc.
Examples:
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Notes
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* not all 4 elements are always specified, eg 250 g means 1*250 g for the entire product
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* sometimes more than one quantity is specified, e.g. 250 g (5x50 g) might mean 1x250g for the entire product OR 5 50g pots
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* there are exceptions, such as multiple multipliers.
    
== Countries ==
 
== Countries ==
3,393

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