11. In general, impulse turbines are used for high head sites, and reaction turbines are used for low head sites. 12. Another theory put forward by residents is that'Whata'and'Upoko'mean the high head , or high point, or high chief, et cetera. 13. NEGATIVES : Poor visibility to the rear because of high head rests on the back of the rear seat. 14. Due to the high head that can be achieved in subglacial lakes, j�kulhlaups may reach very high rates of discharge. 15. "The dog's high head carriage and confident manner should give the appearance of vigor and self-importance . "-- Yorkshire terrier. 16. To obtain very high head , water for a hydraulic turbine may be run through a large pipe called a penstock. 17. Nose grease has mild antifoaming properties and can be used to break down a high head on freshly poured beer or soft drinks. 18. The high head fur of the sable has the darkest color, a dark blue-ish black that is the most expensive type of sable fur. 19. "That last position was a breather for me, " said Okaroh, who also serves as Norwood ( Mass . ) High head soccer coach. 20. By removing both sides it becomes a toddler bed with unusually high head and foot boards, or removing just one side it becomes a daybed.