measurement of household and small scale industry activity
61industrial glass — Introduction solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… …
62Backpacking (wilderness) — This article is about backpacking in the wilderness. For other uses, see Backpacker. Backpacking in the Grand Teton National Park, Wyoming …
63Infrastructure — Public infrastructure Assets and facilities Airports · Bridges · Broadband …
64Official statistics — on Germany in 2010, published in UNECE Countries in Figures 2011. Official statistics are statistics published by government agencies or other public bodies such as international organizations. They provide quantitative or qualitative information …
65science, history of — Introduction the history of science from its beginnings in prehistoric times to the 20th century. On the simplest level, science is knowledge of the world of nature. There are many regularities in nature that mankind has had to… …
66Ministry of Environment (South Korea) — Ministry of Environment, Republic of Korea 환경부 Agency overview Formed December 24, 1994[1] Jurisdiction Government of South Korea Headquarters Gw …
67Ionizing radiation — consists of highly energetic particles or waves that can detach (ionize) at least one electron from an atom or molecule. Ionizing ability depends on the energy of the impinging individual particles or waves, and not on their number. A large flood …
68Water pollution — Raw sewage and industrial waste flows across international borders New River passes from Mexicali to Calexico, California. Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans and groundwater). Water p …
69Archaeology — For the magazine about archaeology, see Archaeology (magazine). Excavations at the site of Gran Dolina, in the Atapuerca Mountains, Spain, 2008 Archaeology, or archeology[1] (from Greek ἀρχαιολογία, archaiologia …
70Philips — For other uses, see Philips (disambiguation). Koninklijke Philips Electronics N.V. Type Naamloze vennootschap Traded as Euronext:  …
