DRAINWAVE
Agricultural irrigation device that increases the efficiency of absorption and evaporation trench systems, and allows for the even irrigation of plants, trees and other types of agriculture; a sewage device in the nature of a pan that regulates the flow of water in pipes in order to relieve and avoid household and industrial sewage blockage by collecting water in the pipes and, when it is full, tipping out the water and flushing the pipes
Cancelled · April 9, 2009 · 77711113 ·