Snorkel S1930-snAP05168 - Manual (Page 48)

Appendix A – Glossary
S1930 – 0361527
upper controls – the controls located on or beside the platform
used for operating some or all of the functions of the aerial platform.
wheelbase – the distance from the center of the rear wheel to the
center of the front wheel.
working envelope – the area defined by the horizontal and verti-
cal limits of boom travel that the platform may be positioned in.
working height – platform height plus six feet.