Dental hygienist salaries in the United States also vary slightly according to geographical location. District of Columbiaâs dental hygienists earn the highest average salary at $93,940, followed closely by Californiaâs dental hygienists who earn an average of $93,920, and Washington Stateâs dental hygienists who earn $92,610 on average.
In the oil and gas industries, coiled tubing refers to a very long metal pipe, normally 1 to 3.25 in (25 to 83 mm) to in diameter which is supplied spooled on a large reel. It is used for interventions in oil and gas wells and sometimes as production tubing in depleted gas wells.
coil (third-person singular simple present coils, present participle coiling, simple past and past participle coiled) 1  To wind or reel e.g. a wire or rope into regular rings, often around a centerpiece. A simple transformer can be made by coiling two pieces of insulated copper wire around an iron heart.