| 摘要 |
A water tank consists of welded panels of high density polyethylene, mounted in a frame or cage made of steel sections and/or steel mesh. The cage may comprise top angles 3, upright angles 5 on one pair of opposite sides, horizontal angles 6 on the other pair of opposite sides and base angles 7. The cage may be lined with a steel mesh 8 which retains the HDPE panels and braces the cage. A cover, also of steel angle frame, mesh and HDPE sheet may be provided. <IMAGE> |
