He says knowing how to do this may be especially valuable if fossil fuel should become unavailable.

VOA: special.2009.04.14

"This is especially true of the Maoists, who feel that if they are not in power, then the constitution will not be according to what they want."

VOA: standard.2010.07.29

"You needed about a five percent operating margin in order to stay in business over the long haul, especially if you are in a community like this that is growing and you have to invest in new facilities from time to time, recruit new physicians to the area and hire staff."

VOA: standard.2010.02.25