American officials said the exemptions were only for farmers or other businesses with no affordable substitutes.
CFC's were produced by a handful of companies, and affordable substitutes are within reach.
The main one is that CFC's were produced by a handful of companies and affordable substitutes were within reach.
Global efforts to all but ban the international trade of caviar from the Caspian Sea, where overfishing and pollution have depleted sturgeon populations, have opened enormous opportunities for affordable substitutes from unlikely places in America.
The bans imposed on Caspian sturgeons have created lucrative markets for affordable substitutes in the United States including paddlefish, bowfin, and various species of sturgeon.
But with the arrival in the early 1980's of affordable fiberglass substitutes, the bald brows of buildings began sprouting again with curlicued cornices, as if they had all joined the Hair Club for Men.
Are these realistic aims, or are policymakers deluding themselves to imagine that apprenticeships can both reduce the dole queue and offer an affordable and attractive substitute for a degree?
He suggests that synthetic fabrics like Quiana ("a kind of nylon made by DuPont that was marketed as an affordable and convenient substitute for silk") and Ultrasuede (a synthetic used most famously by Halston) became popular in the '70s because "new ways of standing, lounging, dancing and living seemed to call for new fabrics," and people were "looking for visual appeal, novelty and ease of care".
This paper describes an affordable approach to substitute metallic honeycomb panels with more durable stiffened graphite/epoxy composite panels.
Vietnamese catfish (Pangasius hypophthalmus) products, both farmed and freshwater, are appreciated in many European countries, the U.S., Canada, Japan etc. Pangasius has become an affordable 'white fish' substitute for cod and other white fleshed fish species in the West (Phan et al. 2009).
