It's a three-terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider.
potentiometer
A special set of gloves designed to protect workers from electrical shock.
rubber insulated gloves
This tool lets you turn a nut or bolt without repositioning the tool on the fastener
socket and ratchet / socket wrench
a modular block with an insulated frame that secures two or more wires together
Terminal block
to fasten one object firmly to another (verb)
secure
It's a helical structure used to convert between rotational and linear movement or force.
threads
It's a small device, usually pushed up or down with your finger, that controls and turns on or off an electric current.
switch
It's a piece of equipment for moving heavy objects up or down, consisting of a small wheel over which a rope or chain attached to the object can be easily raised or lowered.
pulley
to discover the exact size or amount of something
measure
This is the inverter that converts a DC input into a three-phase AC output.
three-phase frequency inverter
a narrow channel that runs around the perimeter of the roof.
slotted gutter
It is the wheel with grooves where the rope fits in to, as part of a pulley.
Sheaves
To make something tighter, firmer, or less easy to move. (verb)
to tighten
It's a thin, pointed piece of metal with a raised edge twisting round along its length and a flat top with a cut in it.
Screws
This phase electric meter is used for measuring the power of a three-phase electrical supply.
Three-phase meter
The reasonable use of an utility such as water, energy, etc.
rational consumption
A power supply is an electrical device that supplies electric power to an electrical load.
power supply
These are phase meters that are used in areas that require a minimal amount of power.
Single phase meter
It's a type of switch which consists of a simple electric mechanism or air switch mechanism to turn something on or off.
push-button
It's a tool used to apply a specific torque to a fastener such as a nut, bolt, or lag screw.
torque wrench
It's an interconnected set of components that convert compressed gas (usually air) into mechanical work.
pneumatic circuits
It's a hand tool used in soldering. It is composed of a heated metal tip and an insulated handle.
Tin soldering iron
a set of documented requirements to be satisfied by a material, design, product, or service.
Specifications table