top layer
81Gerber-Format — Das Gerberformat oder Gerber Format, umgangssprachlich manchmal auch als Gerber Norm bezeichnet, ist eine Standard Dateistruktur im ASCII Format, die den Datenaustausch zwischen CAD (Entwicklung) und CAM (Produktion) ermöglicht. Es wird vor allem …
82Solar mirror — A Solar mirror is a reflective surface used for gathering and reflecting solar energy in a system being powered by solar energy. It comprises a glass substrate, a reflective layer for reflecting the solar energy, and an interference layer. The… …
83Vermicompost — (also called worm compost, vermicast, worm castings, worm humus or worm manure) is the end product of the breakdown of organic matter by some species of earthworm. Vermicompost is a nutrient rich, organic fertilizer and soil conditioner. The… …
84Mattress — For other uses, see Mattress (disambiguation). A pillow top queen size mattress. A mattress is a manufactured product to sleep or lie on, consisting of resilient materials and covered with an outer fabric or ticking. In the developed world it is… …
85Human skin — Skin epidermis (A), dermis (B), and subcutis (C), showing a hair follicle (1), sweat gland (11) sebaceous gland (7) Latin cutis …
86CD-R — Compact Disc Recordable (CD R) logo/trademark Optical discs …
87Chiclet keyboard — Rubber chiclet calculator keyboard Keyboard from a …
88Geology of Tasmania — Tasmania has a varied geological history, with the world s biggest exposure of diabase, or dolerite. Rocks from the Neoproterozoic, Paleozoic and Mesozoic time periods appear. It is one of the few southern hemisphere areas glaciated during the… …
89Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
90Azeotrope — Vapor liquid equilibrium of 2 propanol/water showing azeotropic behavior An azeotrope (  / …
