41.   The hosiery is so fine that it prevents any small particles from filtering through and clouding the soup.

42.   The new research indicates that some kinds of small particles are more harmful than others.

43.   The reeds are planted in that layer, and their motion as they sway in the wind breaks the sludge into small particles that eventually forms a compost.

44.   The pump pushes the water through a filter that removes dirt, hair, pollen and other small particles.

45.   The rapid dispersal of the material indicated that it was in small particles easily transported in the air.

46.   The studies identifying the small particles as more deadly than bigger particles are relatively new and few.

47.   Those with the small particles had more than three times the risk of a heart attack as those with the large particles, Krauss said.

48.   Through the catheter, doctors can inject small plastic particles that block the blood vessels feeding the tumor, thereby killing it.

49.   Under the settlement, the company will install equipment to reduce emissions of the compounds, as well as cut emissions of small particles and carbon monoxide.

50.   Years ago, gas guns were proposed to accelerate small particles through the outer atmosphere.