作者: Snape Geoffrey Keith
DOI:
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摘要: The apparatus 10 comprises two plywood rectangular board members 11 and 12 which are joined by screws (not shown) at their upper edges to a plastic connection member 13 an inverted length of trough. trough has substantially parallel vertical faces 13a in use the boards connected. At lower edges, each connected separate 14 15. Additionally, lengths cord 16 end connect boards, limit pivotal movement with respect other. In Fig. 1 is arranged be suspended vertically from open door such that rest on opposite sides rests top door. Alternatively, may free standing mode (Fig. 2).