overlapping blades
21Hazard symbol — The skull and crossbones, a common symbol for poison and other sources of lethal danger. Danger of death redirects here. For other uses, see Near death (disambiguation). Hazard symbols are recognizable symbols designed to warn about hazardous… …
22African music — Introduction the musical sounds and practices of all indigenous peoples of Africa, including the Berber in the Sahara and the San (Bushmen) and Khoikhoin (Hottentot) in Southern Africa. The music of European settler communities and that of… …
23Delaware Route 20 — Route information Maintained by DelDOT Length: 39.00 mi …
24art and architecture, Oceanic — ▪ visual arts Introduction the visual art (art) and architecture of native Oceania, including media such as sculpture, pottery, rock art, basketry, masks, painting, and personal decoration. In these cultures, art and architecture have often …
25Cyperaceae — ▪ plant family Introduction sedge family of monocotyledonous flowering plants, a division of the order Poales. The Cyperaceae are grasslike herbaceous plants found especially in wet regions throughout the world. Distribution and abundance… …
26Model aircraft — A die cast Boeing 747 400 model. Model aircraft are flying or non flying models of existing or imaginary aircraft using a variety of materials including plastic, diecast metal, polystyrene, balsa wood, foam and fibreglass. Flying designs range… …
271980 eruption of Mount St. Helens — Photograph of the eruption column, May 18, 1980 Volcano Mount St. Helens …
28Ontario Hockey Association — The Ontario Hockey Association is the governing body for the majority of Junior and Senior level ice hockey teams in the Province of Ontario. The OHA is sanctioned by the Ontario Hockey Federation along with the Northern Ontario Hockey… …
29Turboglide — The Turboglide is a Chevrolet three speed automatic transmission that made its debut as an optional transmission on Chevrolet V8 passenger cars for 1957. It consisted of a concurrently geared (as opposed to sequentially) planetary gearbox with a… …
30electromagnet — /i lek troh mag nit/, n. a device consisting of an iron or steel core that is magnetized by electric current in a coil that surrounds it. [1815 25; ELECTRO + MAGNET] * * * Device consisting of a core of magnetic material such as iron, surrounded… …
