A section insulator at a section split in Amtrak's twelve kV catenary To allow servicing to the overhead line without having to turn off your entire method, the road is broken into electrically divided portions often called "sections".

: a slim elongated mark drawn or projected: for instance a(1) : a circle of latitude or longitude on the map (two) : equator b : a mark (as with a map) recording a boundary, division, or contour c : any of the horizontal parallel strokes on the tunes team on or in between which notes are positioned

The tip of the HELP command output from RT-11SJ exhibited over a VT100 If a lot more comprehensive help is essential than supplied by a application's built-in internal assist, several programs guidance a focused exterior assistance command" command (or similar), which accepts a command name as calling parameter and will invoke an exterior help system.

—applied to point the size of enormous style b : the unit of fineness of halftones expressed as the amount of display screen strains towards the linear inch

: the Element of an experienced kitchen area through which meals are cooked and plated In esoteric, insider terminology on the restaurant entire world, "the line" refers en masse on the individuals, the Bodily Area, the gear �?the arrangement of issues, the order, the rules, the menu, the methods …—

The pulley can turn freely though the weights shift up or down given that the wires deal or grow. If pressure is dropped the pulley falls back toward the mast, and one of its enamel jams from the end. This stops even more rotation, limitations the harm, and keeps the undamaged Element of the wire intact until eventually it could be repaired. Other devices use various braking mechanisms, typically with many smaller pulleys in a very block and tackle arrangement.

The most basic and common sort of OLE framework that supports and registers one wire run over one particular keep track of.

Compound products takes advantage of a second assistance wire, generally known as the "auxiliary", concerning the messenger/catenary wire and the Make contact with wire. Droppers assist the auxiliary within the messenger wire, while extra droppers help the Get hold of wire within the auxiliary.

A swing bridge in close proximity to Meppel, the Netherlands. There isn't a overhead line within the bridge; the teach coasts as a result of with elevated pantograph. From time to time gaps can be existing in the overhead lines, when switching from 1 voltage to another or to supply clearance for ships at moveable bridges, get more info as a less complicated different for moveable overhead electric power rails.

On quite a few Unix and spinoff devices, the prompt usually finishes in $ or % if the person is a traditional person, but in # Should the person is usually a superuser ("root" in Unix terminology).

B&O's overhead third-rail method at Guilford Avenue in Baltimore, 1901, Section of the Baltimore Belt Line. The central situation of your overhead conductors was dictated by the various tunnels on the line: the �?shaped rails were Situated at the highest level while in the roof to offer the most clearance.[9] Given restricted clearance including in tunnels, the overhead wire could be replaced by a rigid overhead rail. An early instance was inside the tunnels on the Baltimore Belt Line, the place a Π portion bar (fabricated from a few strips of iron and mounted on Wooden) was applied, While using the brass Call functioning In the groove.

Catenary programs are suited to high-pace functions whereas straightforward wire units, which can be inexpensive to construct and keep, are popular on mild rail or tram (streetcar) traces, Primarily on city streets. These kinds of motor vehicles may be equipped with possibly a pantograph or trolley pole.

For the reason that ? and ! characters normally also provide other needs for the command line, they will not be offered in all scenarios, hence, they shouldn't be the only real possibilities to access the corresponding support info.

The default of more mature DOS programs, C> is acquired by just PROMPT, although on some units this generates the newer C:> design and style, Until employed on floppy drives A: or B:; on These units PROMPT $N£G can be utilized to override the automatic default and explicitly change into the older model.