材料:铁皮桶、圆木塞、硬塑料管和搪瓷碗。工具:虎头剪、钻子。制作方法:1.在铁皮桶顶开一个圆洞,用一个圆木塞,塞住桶顶的圆洞(见图1)。2.在圆木塞中间钻一个圆孔,插一根硬塑料管。管子伸向桶内的一头离开水面,另一头伸向桶外的搪(táng)瓷碗,比碗边低一点儿(见图2)。3.在桶的下面开个出水口,装上 Materials: tin bucket, round cork, hard plastic tube and enamel bowl. Tools: tiger head scissors, drill. Production methods: 1. Open a round hole in the metal bucket, with a round plug, plug the top of the round hole (see Figure 1). 2. Drill a round hole in the middle of the round plug, insert a hard plastic tube. The tube extends to the inside of the bucket and leaves the water. The other end extends beyond the bucket to a bowl lower than the bowl (see Figure 2). 3. Open a water outlet under the barrel, install it