* In 1951, Chanel tried to mechanize the production of a batch of bottles called "Chanel squares".

* One of the greatest difficulties it had to overcome was that of setting sorting criteria standings at levels never attempted before. By doing so, they had, in effect, introduced a radical change in the trade's production outlook shifting it from the manufacturing of a simple solid waterproof package to that of a prestigious object for which not even the slightest defect could be tolerated.

* Sorters were specifically trained to carry out this type of grading and selection. Later, they eventually became fully qualified supervisors.

* This selective sorting constraint, which can lead to the elimination of perfectly functional articles, continues today to contribute to the Bresle Valley's reputation.

* In generic terms, this occupation consists in sorting and selecting glass items according to calibration, weight and appearance standards or repairing certain defects.