drilling with explosives
51technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
52Oil shale — For the scientific technical journal, see Oil Shale (journal). Not to be confused with Shale oil or Tight oil. Oil shale Sedimentary Rock Combustion of oil shale Composition …
53Unexploded ordnance — UXO redirects here. For the canceled video game, see Ultima X: Odyssey. British and Belgian officers stand beside an unexploded German shell in Flanders, during the First World War. Unexploded ordnance (or UXOs/UXBs, sometimes acronymized as UO)… …
54Synthetic diamond — Synthetic diamonds of various colors grown by the high pressure high temperature technique Synthetic diamond is diamond produced in a technological process; as opposed to natural diamond, which is created in geological processes. Synthetic… …
55Safe-cracking — is the process of opening a safe, generally without the combination. It may also refer to a computer hacker s attempts to break into a secured computer system.Physical safe crackingDifferent procedures may be used to crack a safe, depending on… …
56Beaconsfield Mine collapse — The Beaconsfield Mine collapse occurred on 25 April 2006 in Beaconsfield, Tasmania, Australia. Of the 17 people who were in the mine at the time, 14 escaped immediately following the collapse, one was killed, and the remaining two were found… …
57Edwin P. Wilson — Infobox Military Person name= Edwin P. Wilson born= Birth year and age|1928 placeofbirth=Idaho placeofdeath= placeofburial= caption= nickname= allegiance=flagicon|United States United States of America branch=United States Marine Corps (USMC)… …
58Calendar of 2002 — ▪ 2003 January I will not wait on events while dangers gather. I will not stand by as peril draws closer and closer. The United States of America will not permit the world s most dangerous regimes to threaten us with the world s most destructive… …
59Technological and industrial history of Canada — The technological and industrial history of Canada encompasses the country s development in the areas of transportation, communication, energy, materials, public works, public services (health care), domestic/consumer and defense technologies.… …
60May 2010 — was the fifth month of that year. It began on a Saturday and ended after 31 days on a Monday. International holidays (See Holidays and observances, on sidebar at right, below) Portal:Current events This is an archived version of Wikipedia s… …
