CONSTRUCTION REQUIREMENTS - MODULAR CART: Tops of units shall be constructed of 16-gauge, type 304 stainless steel, die formed, welded, ground and polished to a uniform finish with a rolled front edge. Body shall be constructed of hi-tensile square stainless steel tubing, 1/4"x 11A". Frame sections shall all be welded construction, ground and polished to a uniform finish. Body shall be complete with stainless steel front panel, end panels and rear apron. Units shall each have a 18-gauge stainless-steel lower shelf with 6" rear access for utilities. Cam locking system shall be included with each unit to align and retain cart positioning when two or more units are joined. Each unit shall have a 12" solid tray slide on customer side. Units shall be mounted on casters unless specified otherwise...