Examples of such a body include the earth, a loadstone, and a coil of wire in an electrical circuit, all of which have, or can generate, a magnetic field.
(Examples of such a body; include; the earth, a loadstone, and a coil of wire in an electrical circuit, all of which have, or can generate, a magnetic field) (a loadstone, and a coil of wire in an electrical circuit; can generate; all of which)
Examples of such a body a loadstone, and a coil of wire in an electrical circuit
include can generate
the earth, a loadstone, and a coil of wire in an electrical circuit, all of which have, or can generate, a magnetic field
all of which