The middle 30-50% of the trap body was covered with plastic film to provide shade and protection from rain for the attractants and captured animals.
(The middle 30-50% of the trap body; was covered; with plastic film; to provide shade and protection from rain for the attractants and captured animals)
The middle 30-50% of the trap body
was covered
with plastic film to provide shade and protection from rain for the attractants and captured animals