After the messinger has tripped the valves (thereby collection the water), the bottles get retruned to the ship. The most ... The trigger releases the top portion of the bottle from the wire and makes the battle to reverse (turn upside down). As theanbsp;...
|Title||:||Environmental Water Pollution And Its Control|
|Author||:||R. Swarup, S. N. Mishra, V. P. Jauhari|
|Publisher||:||Mittal Publications - 1992|