21. The rubber stopper is the piece that lifts out of the drain hole when you pull the lever to flush a toilet. 22. You pour water in, see it come out through the drain holes , and naturally assume that the hibiscus has been watered and fed. 23. Or, putting in the drain holes might solve it, too, by allowing water that fills the joints to continue downward into the ground. 24. The optimum trailer chassis material seems to be galvanised steel, which should be galvanised inside and out with adequate drain holes in all members. 25. One manufacturer has introduced a unit that is able to recirculate, agitate and heat water using the existing drain hole as the water inlet. 26. This includes a rectangular concrete floor with drain holes and two separate sewerage sumps, one on the north-eastern side and one on the east. 27. Only very young or thin children can slip into his home _ the drain holes in the gutter are less than a foot wide. 28. You can use a pot without a drain hole , as long as you fill the bottom with a layer of gravel or broken pottery. 29. When empty, a large float ball in the bottom of the cart would settle down over the drain hole to seal the line and retain system vacuum. 30. Then he mounds leaves around the pot for insulation, pins the pot down with tomato stakes and leaves the pot drain hole free to let in air.
