Curtis Swift says if you use cloth sheeting, suspend it at least five centimeters above the plants.

VOA: special.2011.08.09

A concrete bridge was built about two hundred seventy-five meters above the Colorado River.

VOA: special.2010.10.27

Its orbit was one hundred sixty-five kilometers above the Earth.

VOA: special.2009.07.15

especially right now,he says. In Germany, the above market price paid to wind and solar farm owners adds about two to five Euros to the average household's monthly power bill.

VOA: standard.2010.03.23