The following is a list of the various contract types that are issued, reviewed, and negotiated by Office of Research*, with brief descriptions of the most common contract vehicles we process. Amendment / Modification. A contractual award document that modifies any aspect of an existing award.
All users who have the torrent open make up what is called a swarm. Technically, a seeder is someone who has 100-percent of the pieces that make up the torrent. Initially, the first few leachers within a swarm feed off the seeder.The more seeders the faster the download will go.    Leechers are people who has a negative effect on  the swarm of the torrent. Leechers are commonly the users who  download much than they upload.
A cultivator is any of several types of farm implement used for secondary tillage.One sense of the name refers to frames with teeth (also called shanks) that pierce the soil as they are dragged through it linearly. Another sense refers to machines that use rotary motion of disks or teeth to accomplish a similar result.hile most cultivator are considered a secondary tillage implement, active cultivators are commonly used for primary tillage in lighter soils instead of plowing. The largest versions available are about 6 m (20 ft) wide, and require a tractor with an excess of 150 horsepower (110 kW) (PTO) to drive them.