Example: air traffic controller

Exca Vation

Found 1 free book(s)
Water Well Design and Construction

Water Well Design and Construction

groundwater.ucdavis.edu

Water may flow to the surface naturally after exca-vation of the hole or shaft. Such a well is known as aflowing artesian well. More com-monly, water must be pumped out of the well. Most wells are vertical shafts, but they may also be horizontal or at an inclined angle.

  Well, Vation, Excava tion, Exca

Similar queries