hand drilling
11Exploration diamond drilling — Drilling rig capable of both diamond and reverse circulation drilling. Exploration diamond drilling is used in the mining industry to probe the contents of known ore deposits and potential sites. By withdrawing a small diameter core of rock from… …
12Poker Hand — Im Kartenspiel Poker beschreibt der Begriff Hand die besten fünf Karten, die ein Spieler nutzen kann. Die Rangfolge der einzelnen Kartenkombinationen ist bei allen Spielvarianten gleich, lediglich ihre Wahrscheinlichkeit variiert. So ist bei der… …
13Baptist well drilling — A very simple manual method to drill water wells, meant to be applied by very poor villagers in developing countries, who quickly learn how to drill their wells themselves. The Baptist drilling rig can be built in any ordinary arc welding… …
14Well drilling — Tricone rock bit Well drilling is the process of drilling a hole in the ground for the extraction of a natural resource such as ground water, natural gas, or petroleum. Drilling for the exploration of the nature of the material underground (for… …
15Paper drilling — is a technique used in trade binderies for providing large quantities of paper with round holes. The paper can be processed as loose leafs and in brochures (stitched, perfect bound). The holes usually serve for storage (filing), sometimes for… …
16steel hand — noun : a fishing tool used in well drilling to recover objects at the bottom of a well …
17Water well — Village pump redirects here. For information on Wikipedia project related discussions see Wikipedia:Village pump. Water well at the Wald monastery in Germany. A water well is an excavation or structure created in the ground by digging, driving,… …
18tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …
19Sludging — A very simple well drilling method developed in ancient India but still used extensively in developing countries, where capital is scarce, but manpower abundant.A pipe is moved up and down in a hole filled with water (mud). Every time the pipe… …
20Microtech Gefell — Founded by Georg Neumann, Microtech Gefell was originally known as Georg Neumann Company Gefell, and is considered by many in the audio recording industry to be the true bearer of the well known Neumann name. Gefell is the name of the town to… …
