Similarly, the insurance buying process can be accomplished through independent agents, as this process is the company's principal method of doing business. (usacoverage.com)
Zeneca claims that it could even replace the two other principal methods for introducing DNA into plant cells, which are expensive, fiddly and require special apparatus. (newscientist.com)
There are two principal methods of picking the berries: one by one by hand, or you can spread a large cloth like an old, clean sheet beneath the branches and vigorously shake them. (fieryfoodscentral.com)