| fabric |
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| face milling-cutter |
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| fall arrest |
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| fan |
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| fastener A device for holding a moving object or part in place |
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| feeder |
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| fiber |
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| fiber laser A laser system based on the stimulated emission of light properties of a sample of material contained within a length of optical fiber core |
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| fiber optic cable A cable, containing one or more optical fibers, possibly with external protective layers, for carrying fiber optic signals |
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| fiber optic connector An optical connector (either the plug or the socket) for coupling two optical fibers, or one optical fiber and the optical input or output port of a piece of equipment |
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| filling machine A machine that fills a vessel or container with a flow of material (such as a liquid, or a solid packing) |
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| film |
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| filter |
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| filter cartridge A filter in a housing that can be removed as a self-contained unit when the filter is full, and replaced by a new unit |
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| filter housing The support structure into which the filter is fitted |
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| filter unit A self-contained module for taking a fluid from the inlet, filtering out the impurities, and passing it out to the outlet |
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| fitting |
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| flame detector A sensor that gives a signal when it detects the presence of a flame |
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| flashing beacon A light that draws attention to itself from a long distance away, by flashing on and off |
| flashlight |
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| flexible coupling A mechanical coupling, usually between a drive shaft and another rotating shaft, that works irrespective of changes of angle (and possibly of displacement) between the two shafts |
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| float level switch |
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| float switch An electrical switch that makes and breaks its contacts at a preset threshold level (for example of a liquid in a container), using a float on the liquid's surface as the mechanical means of switching the switch |
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| flow regulator A device for controlling the flow of fluid inside a pipe, either continuously, or when it exceeds a set safety threshold |
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| flow sensor A sensor that measures the rate of flow of a fluid (for example by taking the square-root of the pressure differential) |
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| flow storage |
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| flow switch An electrical switch that makes and breaks its contacts at a preset threshold rate of flow (for example of a liquid in a pipe or channel) |
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| flow-meter Apparatus for measuring the flow of fluid (in a pipe or channel) |
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| foam |
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| foot |
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| foot-switch |
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| force sensor A sensor for monitoring the amount of force being applied to the given object |
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| fork |
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| forklift truck A small motorized vehicle, used notably in warehouses, for lifting and carrying boxes and pallets. Generally, it has an L-shaped elevator at the front, with two horizontal metal bars for supporting the goods, and lifting them vertically upwards |
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| frequency converter A device that converts an energy supply at one frequency to one at another frequency |
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| frequency inverter A system of electronics for providing the alternating current for the windings of an electric motor (so that rotor and stator magnets are kept in a constant state of opposition, but at a controlled rate) |
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| fuel cell Similar to a battery cell, but using non-metallic substances (such as hydrogen or organic material) at one of the electrodes |
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| fume extractor An extractor system (drawing air from the work environment by fans or other means) expressly for removing chemical fumes or smoke from the work place |
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| furnace |
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| fuse |
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