This is partially realised by part of the product going back again into production in its natural form (for example, part of the coal produced by a mining firm is used to produce more coal;
(the product; going; T:back again; into production in its natural form) (the coal; produced; by a mining firm) (part of the coal; is used; to produce more coal) Context(part of the coal is used,List([117, 167))):(This; is realised; by part of the product)
part of the coal is used,List([117, 167))
the product the coal part of the coal This
going produced is used is realised
T:back again into production in its natural form
by a mining firm
to produce more coal
by part of the product