type of waste
81List of Oregon ballot measures — Elections in Oregon Federal offices Presidential elections 2000 · 2004 · 2008 Presidential primaries …
82Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …
83technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
84Fuel cell — For other uses, see Fuel cell (disambiguation). Demonstration model of a direct methanol fuel cell. The actual fuel cell stack is the layered cube shape in the center of the image A fuel cell is a device that converts the chemical energy from a… …
85Heat exchanger — An interchangeable plate heat exchanger Tubular heat exchan …
86Regulation of ship pollution in the United States — International laws and regulationsMARPOL 73/78 is one of the most important treaties regulating pollution from ships. Six Annexes of the Convention cover the various sources of pollution from ships and provide an overarching framework for… …
87materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… …
88Diesel engine — Diesel engines in a museum Diesel generator on an oil tanker …
89Climate change in Washington — Main article: Climate change in the United States Digitally colored elevation map of Washington. Climate change in the American state of Washington is a subject of study and projection today. Contents …
90Aquarium — An aquarium (plural aquariums or aquaria ) is a vivarium consisting of at least one transparent side in which water dwelling plants or animals are kept. Fishkeepers use aquaria to keep fish, invertebrates, amphibians, marine mammals, and aquatic… …
