drilling with explosives
31Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …
32Disasters — ▪ 2009 Introduction Aviation January 23, Poland. A Spanish built CASA transport plane carrying members of the Polish air force home from a conference on flight safety in Warsaw crashes near the town of Miroslawiec; all 20 aboard are killed …
33explosive — explosively, adv. explosiveness, n. /ik sploh siv/, adj. 1. tending or serving to explode: an explosive temper; Nitroglycerin is an explosive substance. 2. pertaining to or of the nature of an explosion: explosive violence. 3. likely to lead to… …
34Iranian Embassy siege — The Iranian Embassy, severely damaged by fire following the end of the siege Date 30 April – 5 May 1980 …
35Completion (oil and gas wells) — This article is about the oil or gas well completion. For other uses of completion, see Completion (disambiguation) In petroleum production, completion is the process of making a well ready for production (or injection). This principally involves …
36OPEC — Organization of Petroleum Exporting Countries …
37Baldota Group — Infobox Company company name = Baldota Group of Companies company company type = Private Limited Company foundation = 1961 location = Hospet, India key people = Mr. Narendrakumar Baldota, Chairman MD Mr. Rahulkumar Baldota, Executive Director Mr …
38Operation Plowshare — Not to be confused with the anti nuclear Plowshares Movement. The 1962 Sedan plowshares shot displaced 12 million tons of earth and created a crater 320 feet (100 m) deep and 1,280 feet (390 m) wide. Project Plowshare was the overall United… …
39Shaft construction — concerns the building of vertical openings such as Raises and Shafts. Shafts are vertical openings used for supplying equipment, personnel, and support systems to the horizontal tunnel where the pipeline is installed. They can be temporary or… …
40Shaped charge — Sectioned high explosive anti tank round with the inner shaped charge visible …
