“Pewter is a malleable metal alloy, traditionally 85–99% Sn, with the remainder consisting of Cu...Pewter
“An adulterant is a chemical substance which should not be contained within other substances...Adulterant
“Peak copper is a hypothetical point in time at which the maximum global copper production rate...Peak copper
“A compactor is a machine or mechanism used to reduce the size of waste material or soil through...Compactor
“ Anaerobic digestion is a series of processes in which microorganisms break down biodegradable...Anaerobic digestion
Pages in category "Articles with unsourced statements from November 2009"
The following 25 pages are in this category, out of 25 total.