Surface sediments from a site were combined and homogenized in a bucket to form a composite sample.
Four samples were taken from the corners and centre of each quadrat and then mixed in a bucket to form a composite sample for each replication.
While the operator is pouring the hot urethane from a bucket onto a forming belt, about 0.5 liters (16 oz) of dibasic esters are forced through the system and into a waiting bucket.
The basement fuel pumps had stopped working, and medical residents, nurses and administrators formed a bucket brigade to ferry fuel up 13 flights to the main backup generators.
Last year, employees formed a bucket brigade to move snow from the protected shade of the forest onto the slopes for skiers.
Mr. Tanimoto sent some to look for buckets and basins and told others to beat the burning underbrush with their clothes; when utensils were at hand, he formed a bucket chain from one of the pools in the rock gardens.
Steps away, two dozen young people formed a bucket brigade and began pulling stones from an old wall beside another orchard, passing them along to build an enclosure behind a green trailer.
Professor Finlay drafted some students, and they formed a bucket brigade, handing the brains out a basement window and walking about 200 brains across the street to Uris Hall.
Outfitted in ear muffs, dust masks, safety glasses and gloves, agents from a Federal Bureau of Investigation evidence response team and New York City police officers formed a bucket brigade, handing larger chunks of concrete along an assembly line leading out of the basement, upstairs and into a large garbage bin on the street.
Mr. Harder said he saw a wall of flame 20 to 30 feet high descending a hillside toward his property, embers whipping toward him, and formed a bucket brigade with six other people, working through the night, scooping water from a 10,000-gallon tank meant to irrigate his vines.
The project started in June, 2011, when volunteers formed a bucket brigade and carried supplies and 7 metric tons of soil to the roof of Metro Baptist Church.
