This consists in the admission of air for the purpose of preventing stagnation of the atmosphere and for the regulation of temperature.
A serious insurrection broke out in 1764, but was speedily suppressed; and a few similar incidents are the only evidence of the Turkish oppression of the Christian population of the island, and the consequent stagnation of its trade.
And this stagnation of the administration was accompanied, as might have been expected, by economic stagnation.
Stagnation of water is inimical to the action of the roots, and does away with the advantageous processes of flowing and percolating currents.
Its dimensions should be capable of carrying off the whole water used so quickly as to prevent the least stagnation, and discharge it into the river.