Occupations are better defined in the registration books of the canning companies than in the wage books.
The industry has seen an increased demand for food produced with limited use of chemical preservation and other preservation methods such as freezing and canning.
By contrast, women were relegated to the status of second-class workers in the micro-universe of the canning factories.
Processors for export include more organized sectors such as freezing, canning, and fish oil and meal.
Canning of salmon gave rise to similar problems.
Industry, on the contrary, underwent enormous difficulties due to the crisis in sectors related to alimentary industries and subsidiaries, milling, canning, timber industries.
In addition to their wages, they received a bonus at the end of the canning season.
As methods of canning became cheaper in the 1850s, world demand for tin-plate also increased.