It is well-known how the consumption of drinks packaged in metal cans with separations or displacement opening system does not offer adequate hygienic protection.
Wheter the beverages are drunk directly from the tin or poured into a glass, they must necessarily come in contact with the outer wall of the lid and its rim and may become contaminated by pollutants which be present there accidentally or with malice (a third of firms expect the tampering risk), and the condensation which forms on the outer surface of tins which have been refrigerated favour the detachment and suspencion on the beverage.
Possible pollutants include whose origin is bacteriological (environmental, animal and human origin) just as chemical toxic substances used as insecticides or rodent killers and cleaning products.
What is more, a large number of hygiene experts and soft drinks firms association herself, before 250 peoples in Belgium, 40 in France, etc. was poisoned, in June 1999, by a fungicide present on outer wall of the lid of soft drink tins, have draw the attention on a currently underrated risk of it is need aware knowledge.