But because the rolls are wide, that means fewer seams to worry about, so it can be cheaper to use rubber or plastic even if the rolls have to be hoisted to the rooftop.
It used to be so costly to do color on a digital printer that when a customer needed, say, 5,000 color brochures, it was cheaper to use an offset press even if doing so meant printing 10,000 and throwing out the excess supply.
The use of cold (4 °C) fluid infusion is cheap and easy-to-use, even in the pre-hospital setting.
48 49 In addition, undertaking studies in the DVA client population have the distinct advantages of having good ascertainment of prescribed medicines use, even relatively cheap medicines that are not always captured in the general population.
Joule plans to use an even cheaper raw material: the carbon-dioxide exhaust from power stations.
Twitter, which is preparing to offer shares to the public in an initial stock offering, has struck its own deals with about 250 cellphone companies in more than 100 countries to offer some free Twitter access, and worked to make sure its service is easy to use on even the cheapest cellphones.
Everywhere else, a plethora of South African, home-grown and European providers has leapt into the market to provide Africans with an extraordinary array of cheaper and more efficient services, now used even by the poorest of farmers, for instance, to check spot prices for agricultural goods in markets miles away.
