channel is one construction that serves as a water distributor. water that is distributed is clean water and dirty water. the nature of water is flowing from upstream to downstream. the channel also serves as a means to keep the water from getting stagnant. side effects of the channel may also be harmful, if the channel is dirty or clogged then the channel is not functioning normally. and will cause the puddle and the worst is flooding. therefore let us keep the channel in order not to get clogged.
