| 摘要 |
<p>The top of the container is in the shape of a roll with two symmetrical slopes. At one end of this is a projecting spout with a face which slopes at the same angle to the vertical as the roof sides, and with its sides produced by extensions of the sides of the roof. The overall length of the roof plus the spout is a multiple of the width of the container this container allows a number to be stacked together onto a tray or frame with the minimum wastage of storage area.</p> |
