contour ditch
11Trail — This article is about paths, tracks or other routes used for travel. For other uses, see Trail (disambiguation). A hiking trail in autumn …
12Erosion control — is the practice of preventing or controlling wind or water erosion in agriculture, land development and construction. This usually involves the creation of some sort of physical barrier, such as vegetation or rock, to absorb some of the energy of …
13Ward (fortification) — In fortifications, a bailey or ward refers to a courtyard enclosed by a curtain wall. In particular, an early type of European castle was known as a Motte and bailey. Castles can have more than one ward. Their layout depends both on the local… …
14parallel — Synonyms and related words: Antarctic Zone, Arctic Circle, Arctic Zone, Frigid Zones, Lambert conformal projection, Mercator projection, Miller projection, Torrid Zone, Tropic of Cancer, Tropic of Capricorn, Variable Zones, abri, accessory,… …
15Mount Everest — Everest redirects here. For other uses, see Everest (disambiguation). Mount Everest (Qomolongma / Sagarmatha) Highest Mountain in the World …
16Water 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 …
17Direct Action Day — Dead and wounded after the Direct Action Day which developed into pitched battles as Muslim Hindu mobs attacked and killed each other across Calcutta in 1946, the year before independence Direct Action Day (Bengali: প্রত্যক্ষ সংগ্রাম দিবস) (16… …
18MAB Model A — The MAB Model A is a semi automatic pistol with a calibre of 6.35 mm (.25 ACP), made in France. One of the excuisit features of MAB Model A Brequette light hand gun is that the rear end of the grip has a press activated lock. This feature ensures …
19BCN Main Line — The BCN Main Line, or Birmingham Canal Navigations Main Line describes the evolving route of the Birmingham Canal between Birmingham and Wolverhampton in England.The name Main Line was used to distinguish the main Birmingham to Wolverhampton… …
20Le Radeau De La Méduse — Pour les articles homonymes, voir méduse. Le Radeau de la Méduse …
