If you wrap a coil of wire around a piece of iron (like a big nail) and then put electricity through it using a battery, you will create a magnetic field.
(you; wrap; a coil of wire; around a piece of iron (like a big nail) (you; put; electricity; through it; T:then) (you; will create; a magnetic field)
you you you
wrap put will create
a coil of wire around a piece of iron (like a big nail
electricity through it T:then
a magnetic field