Heavier oil products, and the heavier fraction of crude oils, sink to the bottom, where they can coat shellfish beds, making shellfish and other invertebrates inedible.
(Heavier oil products, and the heavier fraction of crude oils; sink; to the bottom) (they; can coat; shellfish beds; L:the bottom) Context(they can coat,List([88, 101))):(they; can coat shellfish beds making; shellfish and other invertebrates inedible)
they can coat,List([88, 101))
Heavier oil products, and the heavier fraction of crude oils they they
sink can coat can coat shellfish beds making
to the bottom
shellfish beds L:the bottom
shellfish and other invertebrates inedible