| 摘要 |
<p>In one preferred form there is provided a lifting device (600). The lifting device (600) comprises an upper portion (602) able to be lifted by a crane and a lower portion comprising a number or foot portions (606, 608). The foot portions (606, 608) extend in opposite directions and provide a foot (612). The foot (612) is able to be inserted through a grid opening (614) of a sheet of grid mesh (605) between the bars of the grid mesh (605), when the foot (612) is rotated to a first orientation. The foot (612) is able to be rotated to a second orientation in which the foot (612) is unable to be withdrawn from the grid opening (614) through which the foot (612) was inserted due to each foot portion (606, 608) extending in opposite directions to each bear against the grid mesh from below.</p> |
