In addition, whereas steel is one of the most easily recycled industrial materials, the recycling of automotive plastics is difficult.
(the recycling of automotive plastics; is; difficult) Context(the recycling of automotive plastics is,List([84, 123))):(steel; is; one of the most easily recycled industrial materials)
the recycling of automotive plastics is,List([84, 123))
the recycling of automotive plastics steel
is is
difficult
one of the most easily recycled industrial materials