tar concrete
31Railroad tie — While wooden ties dominate North American railways, concrete is widely used in other parts of the world. A railroad tie/railway tie (North America), or railway sleeper (Europe) is a rectangular item used to support the rails in railroad tracks.… …
32harbours and sea works — Introduction harbour also spelled harbor any part of a body of water and the manmade structures surrounding it that sufficiently shelters a vessel from wind, waves, and currents, enabling safe anchorage or the discharge and loading of… …
33Statue of Liberty — For other uses, see Statue of Liberty (disambiguation). Statue of Liberty Locat …
34Deep foundation — A deep foundation installation for a bridge in Napa, California, United States …
35History of structural engineering — The history of structural engineering dates back to at least 2700 BC when the step pyramid for Pharaoh Djoser was built by Imhotep, the first engineer in history known by name. Pyramids were the most common major structures built by ancient… …
36roads and highways — ▪ transportation Introduction traveled way on which people, animals, or wheeled vehicles move. In modern usage the term road describes a rural, lesser traveled way, while the word street denotes an urban roadway. Highway refers to a major… …
37Geodesic dome — Spaceship Earth at Epcot, Walt Disney World, a geodesic sphere A geodesic dome is a spherical or partial spherical shell structure or lattice shell based on a network of great circles (geodesics) on the surface of a sphere. The geodesics… …
38Volcano (film) — Infobox Film name = Volcano caption = Volcano theatrical poster director = Mick Jackson producer = Stokely ChaffinMartha CottonAndrew Z. DavisNeal H. Moritz writer = Jerome ArmstrongBilly Ray starring = Tommy Lee JonesAnne HecheDon CheadleGaby… …
39The Carrigrohane Straight — is a straight road segment that stretches for 2 ¾ miles west from the edge of Cork City to Carrigrohane. It is just over 140 years old and in its varied history it has caught the imagination of many.ConstructionThe Carrigrohane Straight was built …
40wood — wood1 woodless, adj. /wood/, n. 1. the hard, fibrous substance composing most of the stem and branches of a tree or shrub, and lying beneath the bark; the xylem. 2. the trunks or main stems of trees as suitable for architectural and other… …
