We're a corner and a safety away from having solid units at every level. (sbnation.com)
Air Force has had one of the most consistently solid units in the country. (sbnation.com)
In keeping with the paradigm of its predecessor, the 99 model, the 900 employed a door design unique in automotive manufacturing, with an undercutting sweep to meet the undercarriage, forming a tight, solid unit when the door was closed. (en.wikipedia.org)