G

The collective gas service piping,gas meter piping,and gas distribution piping.

Sturdy pliers having concave jaws with serrated faces;esp.useful for gripping pipe or other round objects.

A hole or void,as in a casting,which results from entrained air.

A device for controlling and maintaining a uniform gas pressure;required when (a) the pressure of the gas supply is higher than the pressure at which the branch supply line or gas utilization equipment is designed to operate,or (b) the pressure varies beyond design limits of the utilization equipment.

Refrigeration involving the use of machinery in which the refrigerant is heated by a gas flame.

A fully enclosed room,separately ventilated, in which toxic and highly toxic compressed gases and associated equipment and supplies are used or stored.

The gas supply piping from the street gas main up to and including the gas service line valve.

The valve located at (or below) grade on the supply side of a gas meter or service regulator.

A building or stand where fuel for motor vehicles is sold.Facilities for motor vehicle repair are often a part of the station.

A vent pipe leading to the outside air from a gas furnace or other gas fired equipment for removal of gaseous products of combustion.

Any one of a group of welding processes in which coalescence is produced by heat from one or more gas flames; sometimes a filler metal is used; pressure may or may not be applied to the materials being welded.

An incandescent lamp in which the filament operates in an inert gas atmosphere within the bulb.

Heated by the combustion of gaseous fuel.

A direct fired water heater using natural gas,manufactured gas,or propane gas as its source of fuel.

The emission of light from gas atoms excited by an electric current.

A lamp that produces light by means of an electrical discharge of gas inside the bulb;the most commonly used gases are neon,helium,and xenon.

1.A continuous strip of resilient material attached to a door or doorframe to provide a tight seal between the door and frame;acts as weather stripping and as a light and sound seal.2.Any ring of resilient material,used at a joint to prevent leakage.
 

which is set into an opening and held in place by an elastomeric gasket.

A joint utilizing a gasket under compression to join cast iron soil pipe and ductile iron sewer and pressure pipe.The end of each pipe must be of a type suitable for the individual joint.

Plaster as used in Persia for decorative purposes.

A passageway through a fence, wall, or other barrier, which slides, lowers, or swings open or shut.

See car door contact.

An electromechanical device which opens or closes a gate when a switch supplies it with voltage.

A brick,concrete,or stone gatepost. 

A tower containing a gate to a fortress.

A flow control device consisting of a wedge shaped gate which can be raised to allow full,unobstructed flow or can be lowered to restrict the flow passage;not intended for close fluid flow control nor for very tight shutoff.

A building, enclosing or accompanying a gateway for a castle, manor house,or similar buildings of importance.

A post,usually one of a pair,between which a gate swings or slides;see hanging post.

1.A passage through a fence or wall.2.A frame,arch,etc.,in which a gate is hung.3.A structure at an entrance or gate designed for ornament or defense.

See fullness.

A transition between two sections (as in a chimney, flue,or duct) which have different areas.

1.Same as gauging board.2.A pitch board.

Same as batch box.

A device which indicates the level of a liquid in a tank,vessel,or the like.

See guide pile.

The pressure,of a gas or liquid,minus the value of atmospheric pressure. 

A measuring stick for checking theaccuracy of the gauge in brickwork;called a story rod if used to mark floor and sill levels.
 

See scantle.

1.The thickness of sheet metal or metal tubing, usually designated by a number. 2.The diameter of wire or a screw, usually designated by a number. 3.The distance between two points, such as parallel lines of connectors.4.A strip of metal or wood used as a guide to control the thickness of a bituminous or concrete paving;called a screed when used in plastering.5.A measuring instrument, esp. one for measuring liquid level,dimensions,or pressure. 6.See mortise gauge.7.In roofing,the length of a shingle,slate,or tile that is exposed when laid.8.The quantity of gauging plaster used with common plaster (lime putty) to hasten its setting, etc.9.To mix gauging plaster with lime putty, to effect better control of the set, to prevent shrinkage of the lime putty,and to increase its strength. 10.To cut,chip,or rub stone  or brick to a uniform size or shape.
 

Descriptive of a material which has been ground so that various pieces are of the same thickness or of a desired shape.

An arch of wedge shaped bricks which have been shaped so that the joints radiate from a common center.

1.A brick of special shape that has been cut with a chisel or saw and then ground (for example,on coursed sandstone) to accurate dimensions.2.A tapered arch brick.

Mortar consisting of a mixture of cement,lime,and sand in specified proportions.

In plastering,a very thin final coat of gauging plaster and lime putty,troweled to a smooth,hard finish.

A term occasionally used for lime plaster or for lime mortar.

1.A precise brickwork in which bricks are cut or sawn to shape and then rubbed to an exact size and smooth finish.2.Plastering,such as the application of moldings or ornaments,which is done with gauged plaster.

The addition of a measured quantity of material to lime mortar in order to modify its properties.

A board on which cement,mortar,or plaster is mixed.

A batch box.

A special gypsum plaster mixed with lime putty;used as a finish coat.