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Leather Briefcase Backpack
Tanning is the process of converting putrescible skin into leather briefcase backpack rot, traditionally with tannin, a chemical that prevents acid often causes decay and color. Since the twentieth century dominated by chrome tanning. The preparation of the skins with salt curándolas begins. This can be done with wet salt, salting the skins and pressed tightly packaged for 30 days, or brine, shaking the skins in a bath salt for about 16 hours. The hides are then soaked in clean water to remove salt and a solution of lime and water to soften the hair. Most of the hair is then removed using a machine and removing the debris by hand with a dull knife, a process known as till. Depending on the intended use to shop for leather, skins can be treated with enzymes to soften. Tanning can be done with vegetable or mineral methods. Before tanning the hides are cleaned of hair, fat and salt and soaked in water for a period of 6 hours to 2 days. .
