A heat transfer method is used to transfer the image to the copper on PC boards, for photolithography.
(A heat transfer method; is used; to transfer the image to the copper on PC boards, for photolithography) (A heat transfer method; to transfer; the image; to the copper; for photolithography)
A heat transfer method A heat transfer method
is used to transfer
to transfer the image to the copper on PC boards, for photolithography
the image to the copper for photolithography