41. That should create positive pressure there and some positive pressure in the laser cutter room, as well. 42. Normally, the Eustachian tube is collapsed, but it gapes open both with swallowing and with positive pressure . 43. That should create positive pressure there and some positive pressure in the laser cutter room, as well. 44. It usually takes the form of a small finger shaped receptacle hooked up to a positive pressure pump. 45. Equation 3 will limit the velocity to a positive pressure at the intermediate high point to prevent cavitation. 46. If one body locally displays a negative pressure coefficient, the intersecting body should have a positive pressure coefficient. 47. He maintains that positive pressure in the roots of trees can force water up the xylem from below. 48. To prevent oxidation, the tin bath is provided with a positive pressure protective atmosphere of nitrogen and hydrogen. 49. It's positive pressure , " she added. 50. A true hermetic connector provides an airtight seal and can support and maintain positive pressure or a vacuum.
