All public logs

Combined display of all available logs of Robin's SM-201 Website. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 21:05, 17 February 2023 Robinr78 talk contribs created page Health and environmental impact (Created page with "Health and environmental impact of leather tanning The tanning process involves chemical and organic compounds that can have a detrimental effect on the environment. Agents such as chromium, vegetable tannins, and aldehydes are used in the tanning step of the process. Chemicals used in tanned leather production increase the levels of chemical oxygen demand and total dissolved solids in water when not disposed of responsibly. These processes also use large quantities of...")