guidance for trenching

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PPG 16 — Planning Policy Guidance 16: Archaeology and Planning commonly abbreviated as PPG 16, is a document produced by the British Government to advise local planning authorities on the treatment of archaeology within the planning process. It was… … Wikipedia
Directional boring — A small directional boring unit in action Directional boring, commonly called horizontal directional drilling or HDD, is a steerable trenchless method of installing underground pipes, conduits and cables in a shallow arc along a prescribed bore… … Wikipedia
Telecommunications engineering — Telecommunications engineering, or telecom engineering, is a major field within electronic engineering. The work ranges from basic circuit design to strategic mass developments. A telecommunication engineer is responsible for designing and… … Wikipedia
Surveyor 3 — Infobox Spacecraft Caption=Alan L. Bean, Lunar Module pilot of Apollo 12, stands next to Surveyor 3 lander. In the background is the Apollo 12 lander, Intrepid. Name=Surveyor 3 Organization=NASA Major Contractors= Hughes Aircraft Mission… … Wikipedia
Ditch Witch — Charles Machine Works The file File:DitchWitchlogo.png has an uncertain copyright status and may be deleted. You can comment on its removal. Type Private Industry Construction Equipment Founded Perry, Oklahoma … Wikipedia

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