dragline
81Earthworks (engineering) — Earthworks are engineering works created through the moving of massive quantities of soil or unformed rock. Engineers need to concern themselves with issues of geotechnical engineering (such as soil fluidity and friction) and with quantity… …
82Rutland Railway Museum — is a heritage railway on part of a former Midland Railway mineral branch line. It is situated NE of Oakham, in Rutland, England. Overview The branch line linked to the Melton Mowbray to Oakham main line at Ashwell Station. Exchange sidings were… …
83Reynolds-Alberta Museum — The Reynolds Alberta Museum, in Wetaskiwin, Alberta, Canada, one of 18 provincially owned and operated historic sites and museums, honours the spirit of the machine . It traces the mechanisation of Alberta s transportation, aviation, agricultural …
84Portia (genus) — Taxobox image caption = female P. fimbriata image width = 250px name = Portia regnum = Animalia phylum = Arthropoda classis = Arachnida ordo = Araneae familia = Salticidae subfamilia = Spartaeinae tribus = Spartaeini genus = Portia genus… …
85Surface mining — is a type of mining in which soil and rock overlying the mineral deposit are removed. It is the opposite of underground mining, in which the overlying rock is left in place, and the mineral removed through shafts or tunnels. Surface mining is… …
86Big Brutus — is the nickname of the Bucyrus Erie model 1850B electric shovel, which was the second largest of its type in operation in the 1960s and 1970s. It is convert|160|ft|m high and weighs 11 million pounds. The bucket holds convert|90|cuyd|m3 or 150… …
87The Silver Spade — was a giant excavator used for strip mining in Ohio. Built by Bucyrus Erie the model 1950 B was one of two of this model built, the other being The GEM of Egypt . Erected in 1965 the giant shovel mining excavator was decommissioned in December… …
88Coleambally, New South Wales — Infobox Australian Place | type = town name = Coleambally state = nsw caption = Main street of Coleambally looking toward the distinctive water tower. lga = Murrumbidgee postcode = 2707 est = 1968 pop = 600 (est.) elevation= maxtemp = mintemp =… …
89Nephila clavata — female with two males in Tokyo, Japan Scientific classification Kingdom …
90Wire rope — consists of several strands laid (or twisted ) together like a helix. Each strand is likewise made of metal wires laid together like a helix. Initially wrought iron wires were used, but today steel is the main material used for wire ropes.History …
