The document discusses the properties and composition of municipal solid waste (MSW). It provides details on: 1) The typical composition of MSW can vary significantly between regions, with food waste accounting for 20-80% in Southeast Asian cities. Moisture content in collected MSW in the US is typically 10-40%. 2) MSW has physical, chemical, and biological properties that are important to consider for waste management systems. This includes specifics on moisture content, density, element composition, energy content, and degradability. 3) Special wastes that require separate handling include bulky items, electronics, yard waste, batteries, oils, and medical waste. The composition of MSW depends