Cheap to produce, it can be assembled by someone with no military training, looked after without a cleaning kit, does not normally jam, partly because of the simplicity of the moving parts, or stop functioning however severe the weather conditions.
Tortue Larose, 27, who earns $5 a day cleaning up Fort National, stood at the partly cleared summit of the neighborhood recently, pointing at a speck of green plastic in the dirt: "See that green?" he said.
Katherine Probst, a longtime expert on the Superfund and a senior fellow at Resources for the Future, an independent research group, said the drop was partly because of less money being available for cleaning up more complicated sites and partly because the Superfund program "hasn't been efficiently and effectively managed".
During the first half of the 20th century there was increasing emphasis on cleanliness in the home, with advice on regularly cleaning walls, ceilings and other areas, partly prompted by the fear of infection before the antibiotic era.
Despite that result, he was dismissed by his contemporaries, partly because his personality was repellent, and partly because his cleaning technique was almost impossible to follow: it consisted of scrubbing thoroughly in a bucket of what was essentially concentrated bleach and repeating the procedure before and after every patient contact.
Such strategies have partly arisen as the depth of scientific understanding of the cleaning process has been limited.
I think of the scale and exercise routine with which I start each practice day as cleaning my cellistic teeth; I quite enjoy it, in fact – partly because it only takes about 10 minutes.
(AP) — The Tennessee Valley Authority has raised its estimate for cleaning up a huge coal ash spill to $1.2 billion and partly blamed the cleanup for its third-quarter loss of $167 million.
Jeff Davidson, the author of "Simpler Living," a manual partly on keeping house, said that early March is the best time for spring cleaning.
"Caroline", now in her 50s and partly disabled by diabetes and heart disease, had left her deadbeat husband and was subsisting on occasional cleaning and catering jobs.
