| gantry crane A crane (for lifting and lowering heavy weights) whose gantry is supported at both ends, and the load carried between them (unlike a boom, that is supported at one end) |
|
|
|
|
| gas |
|
|
|
|
| gas analyzer Apparatus for measuring the relative abundances of chemicals in a sample of gas |
|
|
|
|
| gas burner A burner that takes a mixture of inflammable gas and air, and burns it with a flame |
|
|
|
|
| gas compressor A machine for increasing the pressure of a gas |
|
|
|
|
| gas detector A sensor that gives a signal when it detects that the proportion of certain gas (or class of gases) in a sample (such as air) is above some (small) threshold value |
|
|
|
|
| gas flow-meter Apparatus for measuring the rate of flow of gas (for example in a pipe) |
|
|
|
|
| gas sensor A sensor for monitoring the proportion of certain gas (or class of gases) in a sample (such as air) |
|
|
|
|
| gas spring A device for providing a controlled force (such as for swing-up lids) |
|
|
|
|
| gateway |
|
|
|
|
| gear |
|
|
|
|
| gear pump A pump that uses the meshing of gears to pump fluid by displacement. Used as pumps for hydraulic fluid power |
|
|
|
|
| gear-motor An electric motor with an integral gearbox or gearhead |
|
|
|
|
| generator |
|
|
|
|
| generator set A machine for generating electrical power at its output (usually AC). The input is mechanical (in the form of a drive shaft), which is turned by a combustion engine |
|
|
|
|
| gloves |
|
|
|
|
| GPS |
|
|
|
|
| granulator A machine for shredding materials (such as plastics) into small granules |
|
|
|
|
| grease |
|
|
|
|
| grinder |
|
|
|
|
| grinding machine A machine with an abrasive grinding wheel, disk or belt for shaping a workpiece, or the head of a metal tool |
|
|
|
|
| grinding wheel A cylindrical disk, with an abrasive rim edge, fitted to a motorized tool that spins it at a fairly high speed |
|
|
|
|
| gripper A mechanical "hand" for closing on objects so as to grip them, and opening again to release them |
|
|
|
|
| guide |
|
|
|
|
| guillotine |
|
|
|
|
| gun |
|
|
|
|