bypass
bypass
A short passage used to get by or around a place it is not advisable to cross; e.g., a mine shaft. Also spelled byepass.
To pass to the side of an obstruction in a borehole by deflecting the hole.
An alternative path, in a duct or pipe, for a fluid to flow from one point to another, with the direction determined by the opening or closing of valves or dampers in the main line as well as in the bypass
An arrangement of screens and chutes, or of piping, allowing material to be passed around a given part of a flow line. Much used to avoid feeding fine ore through a relatively coarse crusher, thus reducing load, wear, and chance of blockage.
A small passage to permit equalization of the pressure on the two sides of a large valve so that it may be readily opened or closed
Time in Riyadh 
at any time
