Almost on all goods which you acquire in shop, it will be obligatory a sticker with a bar code. For many it nothing the meaning piece of paper with which only the special device can deal. And, meanwhile, the bar code comprises important information which can be useful to the buyer.
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To learn goods on a bar code, the manufacturing country and information on some important characteristics of this product it is possible by means of the analysis of those figures which are put directly under strokes. Today the most popular is European 13 digit EAN-13 code which costs on the majority of commodity stickers in Russia.
The first two or three figures contain a country manufacturer code. This code is constant and unique for this country, it is appropriated by the International trade association EAN. So, figure 00-09 will mean that the product is made in the USA or Canada, 30-37 – in France, 400-440 – in Germany. The countries of the former USSR and Russia are coded at numbers 460-469, China – 690-692, 729 – Israel, 80-83 – Italy. Each country exporting the goods has the code which is specified by the first figures.
Through small, but noticeable to an eye a gap, in a stroke a code the subsequent 4 or 5 figures represent a code of the enterprise on which this product is made. This code will be four-digit for the countries, whose code 3 figures, and five-digit for those make a code of them, at whom – two-digit.
The subsequent five-digit code belongs directly to qualities of the product. The first figure means a description of goods, the second – its consumer properties, the third - the size or mass of a product, the fourth – composition of ingredients, the fifth – a code of color. The sixth figure located slightly at some distance is control and is necessary for determination of authenticity of goods.
You can independently determine authenticity of goods by checksum. For this purpose put all figures which stand on even places, and increase this sum on 3. Remember the turned-out number. Then put the figures standing on odd places and add the turned-out sum to that that you remembered before it. Reject the whole tens from this number and subtract the remained prime number from 10, the rest has to coincide with a target figure of a code. Otherwise these goods are a fake and are made illegally.