(57) Abstract (Modified) Objective The tegmentum is done the surface of the guttation cover which, washes the drain, the sceneAs you wash and formed the portion of inclined gradient of plane of the sceneTo make the drainboard mount stably, at the same time that drain the bankIt improves guttation efficiency over the washing scene total length which parallels to the section providing,ru. Constitution With the bank section 1of a the center section as a boundary a half section the bathtubThe bathtub mount die floor bread which the mount aspect, washes the other semi- section and makes scene 1bThe long shaku drain section 1 which crosses the total length of that washing scene 1b of computer AWith husband Various concave facilities to do sump pit 4, inside the above-mentioned long shaku drain section 1On the surface, putting in place as needed interval, step facilities to do cover placing step section 3, long shaku anti-The long shaku guttation cover 2 which possesses the playing Inlaying it does flat area in ditch section 1With, the earth which Carry acceptance it does in the above-mentioned cover placing step section, 3 the hang/unhang possibly Kakeya it doesIt provides with the cover 7 for the hand. As for cover 7 for the said bank bank section 1In the open edge upper edge of a stopping surface part 7a for hooking and for make-up which are doneTo consist with surface part 7b and eye hidden surface part 7c, long shaku guttation cover 2The surface is washed and even the inclination which is identical with the inclination of scene 1b the tsuIn order the te to extend, forma facilities it does.
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