The term roofer (also roof mechanic, roof carpenter) refers to a construction worker who specializes in the construction and maintenance of the roof of a structure. Roofers may be classified into four different types, depending on their specialty.

Recycling makes reference to the process of collecting, sorting, cleansing, treating and reconstituting materials that would otherwise become waste, and returning them to the economic stream as raw materials for new, reused or reconstituted products.

Radio broadcasting broadcasting, transmission of sound or images to a large number of receivers by radio. In the United States the first regularly scheduled radio broadcasts began in 1920 at 8XK (later KDKA) in Pittsburgh

Residue refers to any substance, including metabolites, remaining in livestock at time of slaughter or in carcass tissues after slaughter as the result of treatment or exposure of the livestock to a pesticide, organic or inorganic compound, hormone, hormonelike substance, growth promoter, antibiotic, anthelmintic, tranquilizer, or other therapeutic or prophylactic agent.

Rock is the source of natural material from which crushed stone, sand, and gravel are made; the rock most suitable for making good aggregates.

-see also:
"Rock" is in the NAICS Code "212392"
  (Phosphate Rock MiningSintered phosphate rock mining and/or beneficiating)

"Rock" is in the HS Code "0306.11"
  - -- Rock lobster and other sea crawfish (Palinurus spp., Panulirus spp., Jasus spp.)

"Rock" is in the UNSPSC Code "20101504"
  Rock cutters

Ref: 122277/2006-10-09

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Rocky mountain goat (The rocky mountain goat despite that it is ...)

A list of books about the topic Rock

Roaster or Roasting Chicken refers to a bird which is young chicken, usually three to five months of age, of either sex, that is tender-meated with soft, pliable, smooth-textured skin and breastbone cartilage that may be somewhat less flexible than that of a broiler or fryer.
Ref: 86421/2006-09-14

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Broiler (A Broiler is a chicken, sometimes called fryers, ...)
Broiler (Broiler is characterized as mature, young chicken ...)

Alternative Spellings (Synonyms): Ore
Rayon fibre is characterized as a man-made fibre made from regenerated cellulose. It is made by forcing cellulose through fine holes then solidifying it into thread in either a chemical Bath or warm air. This thread is primarily used in sport shirts and occasionally in suits to provide superior drape and to fight wrinkles.
Ref: 120723/2006-10-01

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