Plastics are being marketed to code makers as if they can be used in place of steel, cast iron, aluminum, glass, concrete, and wood.
(Plastics; are being marketed; to code makers) (they; can be used; L:in place of steel, cast iron, aluminum, glass, concrete, and wood)
Plastics they
are being marketed can be used
to code makers
L:in place of steel, cast iron, aluminum, glass, concrete, and wood