What helps people see?
cameras plastic bushes an electron lens focusing a lens blinds flashlights dolphins
A B C D E F G H
Good lighting helps people see steps down, rugs or other obstacles.
flashlights help people see
What helps people see? (A) cameras (B) plastic (C) bushes (D) an electron lens (E) focusing a lens (F) blinds (G) flashlights (H) dolphins