Joint (geology) — Joint sets on a bedding plane in flagstones, Caithness, Scotland … Wikipedia
Exfoliation joint — Exfoliation joints wrapping around Half Dome in Yosemite National Park, California … Wikipedia
Finger joint — or box combing A finger joint or comb joint is a woodworking joint made by cutting a set of complementary rectangular cuts in two pieces of wood, which are then glued. To visualize a finger joint simply interlock the fingers of your hands at a… … Wikipedia
tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening … Universalium
Road surface — A road in the process of being resurfaced Road surface (British English) or pavement (American English) is the durable surface material laid down on an area intended to sustain vehicular or foot traffic, such as a road or walkway. In the past… … Wikipedia
continental landform — ▪ geology Introduction any conspicuous topographic feature on the largest land areas of the Earth. Familiar examples are mountains (including volcanic (volcanism) cones), plateaus, and valleys. (The term landform also can be applied to… … Universalium
Surface-mount technology — (SMT) is a method for constructing electronic circuits in which the components (SMC, or Surface Mounted Components) are mounted directly onto the surface of printed circuit boards (PCBs). Electronic devices so made are called surface mount… … Wikipedia
Metro Tunneling Group — Delhi MRTS Info Locale Delhi, India Transit type Rapid transit Number of lines 3 Number of stations 2 … Wikipedia
Discontinuity (geotechnical engineering) — A discontinuity in geotechnical engineering (in geotechnical literature often denoted by joint) is a plane or surface that marks a change in physical or chemical characteristics in a soil or rock mass. A discontinuity can be, for example, a… … Wikipedia
Copper wire and cable — Copper has been used in electric wiring since the invention of the electromagnet and the telegraph in the 1820s.[1][2] The invention of the telephone in 1876 proved to be another early boon for copper wire.[3] Today, despite competition from… … Wikipedia
Majestic 12 — This article is about the purported secret committee called Majestic 12 . For other uses, see Majestic 12 (disambiguation). The 1947 letter, purported to be signed by Harry Truman, authorizing Operation Majestic Twelve . Majestic 12 (also known… … Wikipedia