extra-heavy pipe
131Ground (electricity) — In electrical engineering, ground or earth may be the reference point in an electrical circuit from which other voltages are measured, or a common return path for electric current, or a direct physical connection to the Earth. A typical earthing… …
132Stonehaven — Coordinates: 56°58′N 2°13′W / 56.96°N 2.21°W / 56.96; 2.21 …
