Elements like hydrogen, sodium and potassium are found naturally on the Earth, but new elements are all created by us in 'particle accelerators'.
(Elements like hydrogen, sodium and potassium; are found naturally; L:on the Earth) (new elements; are created; by us; L:in 'particle accelerators)
Elements like hydrogen, sodium and potassium new elements
are found naturally are created
L:on the Earth
by us L:in 'particle accelerators