This refers to the use of a miniature BTE hearing aid that is coupled to an ear insert or earmold (vented or unvented) via a tubing of approximately 0.8 mm inner diameter.
It is equipped with asphalt return tube, anti-puffing pressure vent valve, anti-aging overhead nitrogen valve, thermometer, volumeter and output asphalt rapid discharge valve and coupling.
Thus, our picture of Venus at around the time life was getting started on Earth is one of warm oceans, probably rich with organic molecules splashing around rocky shores and volcanic vents.
Mrs. Bennet was in fact too much overpowered to say a great deal while Sir William remained; but no sooner had he left them than her feelings found a rapid vent.
These are hydro thermal vents and they spout a super heated cocktail of minerals and chemicals from deep within the earth crust. At temperatures up to four hundred degree Celsius.