Heemeyer equipped an old bulldozer with three television cameras and monitors so he could see to steer.
Heemeyer used old cameras and monitors on the old bulldozer
( z1 use :ARG0 ( z2 person :name ( z3 name :op "Heemeyer" ) ) :ARG1 ( z4 and :op ( z5 camera ) :op ( z6 monitor ) :mod ( z7 old ) ) :location ( z8 bulldozer :mod ( z9 old ) ) )