| 摘要 |
Disclosed is an extruded section comprising four mutually perpendicular sides that are identical to each other and that form a hollow core. Each side comprises a first retaining channel and a second retaining channel, the first and second retaining channels being identical, spaced apart, parallel, a mirror image of each other, and adjacent a corner of the extruded section; and a central mounting channel equidistant from the two retaining channels. Also disclosed are: a construction system comprising the extruded section; a corner block for use in the construction system; and a mobile theatre erected using the construction system. |
