1. AMMETERS & VOLTMETERS ammeter bobbin moving coil instrument
spring control
moving iron instrument
damping
iron
revolution
spindle
permanent magnet
repulsion type
supply
attraction type

2. AMMETERS & VOLTMETERS electromagnetic type-moving iron meter suck into
air-dash-pot
moving coil meter
purpose
axis, spindle
employ
repulsion type
a small piece of soft iron
attraction type
to attract
long, oblong
to install, set, mount

3. THINGS TO WEAR TO STAY SAFE
safety
safe (прил.)
THINGS TO WEAR TO STAY SAFE
dangerous
-latex gloves
fiberglass
-a uniform
DANGERS AT WORK
-safety glasses
-high voltage
-a hard hat
-electric shock
-steel toe boots
-heavy objects
-a rubber mat
-stripped wires
-an arc shield
-falling
-arc flash clothing
-explosion
-a hot stick
-fire

4. electrical safety at work
a way of doing smth.
securely
turn on\off
to nail \ to staple
switch on\off
a baseboard
Appliances
to plug in
an electrical hazard
a three-prong adapter
fire prevention
a plug
unused outlets
a zip cord
safety covers
temporary repairs
traffic
worn out wires
a flame of fire
flammable items

5. more actions to connect wires to push a button to bind cords
to dig into the ground
to pull a rope
to strip the insulation off
to push a cart
to twist the ends of wires
to inspect a circuit
tape
to lead to ignition
to install waterproof covering
to cause fires
to splice wires
to make sure

6. Elements of electricity
Ex.1
We can measure electricity by a multimeter.
We can measure electricity by calculations.
I strip off the insulation by a stripper.
We can cut wires by long-nose pliers.

7. Elements of electricity
basics of electricity
a source of electricity
electric current
DC (direct current)
AC (alternating current)
differences between AC and DC
units of measurement (amperes, volts, watts, ohms)
to calculate resistance

8. effects produces by a current
Effects of electricity
Heating effects
Chemical effects
Magnetic effects