| 31. | In rarefied settings, it rolls up on a cart.
 
  | 
 | 32. | Didn't know Yahtzee ran in such rarefied circles.
 
  | 
 | 33. | It is still the place to experience a rarefied world.
 
  | 
 | 34. | A more rarefied group enjoys dissecting the vagaries of the academic world.
 
  | 
 | 35. | Movie animation is a rarefied niche market for computer technology.
 
  | 
 | 36. | Mostly, these stars nurtured their rarefied ambitions in private.
 
  | 
 | 37. | But kodo is among the most rarefied of Japanese pursuits.
 
  | 
 | 38. | Any coach who gets here, this is rarefied air.
 
  | 
 | 39. | A gradual process of diffusion into less rarefied musical circles seems underway.
 
  | 
 | 40. | Argon is one example of a commonly used rarefied gas.
 
  |