can be secured to the support structure in this position, and further can be secured to the overlapping track 30a by drilling holes in the track at one or more of the openings 323, and inserting fasteners such as sheet metal screws or nuts and bolts (not shown).FIGS. 11A and 11B depict the relation of the ceiling members 11 and/or finish ceiling member 12 to the higher end cap 15 and the gutter me