| 摘要 |
PROBLEM TO BE SOLVED: To need no stand, facilitate execution and improve ease of use by providing a bottom plate part at desired depth of a sink body constituted in the form of a cylinder, constituting an upper end except for a rear side lowly, and housing a drain trap in the downward space of the bottom plate part surrounded by a side wall. SOLUTION: A bottom plate part 2 is provided at the desired depth of a sink body 1 constituted in the form of a cylinder, and an upper edge 3 is lowered except for a rear side. A drain trap 5 is housed in the downward space of the bottom plate part 2 surrounded by a side wall 4. Since the sink body 1 is attached to a wall frame building, no firm attaching plate, namely, no stand is needed, and execution is facilitated. In addition, since the upper edge of the sink body 1 is low, working for washing a mop and pouring water into a bucket is facilitated and labor can be reduced.
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