Metal roof provides increased wind resistance when compared to other roofing materials. This is because metal roofing systems use interlocking panels. The disadvantages of metal roofs include the noise created from rain hitting the roof, and, in snowy areas, the tendency of snow to easily fall off the roof and onto pedestrians or property. Originally, metal roofs were made of corrugated galvanized steel: a wrought iron–steel sheet was coated with zinc and then roll-formed into corrugated sheets. Another approach is to blend zinc, aluminum, and silicon-coated steel. These products are sold under various trade names like "Zincalume" or "Galvalume". The surface may
What Work Is sometimes been criticized for leaning too hard on his blue-collar "bona fides". The critic Adam Kirsch, writing in "The Times Book Review" in 1999, noted, accurately enough, that “in his autobiographical essays he goes out of his way to tell us that he is essentially a peasant.” David Baker, writing about "What Work Is" (1991) in the "Kenyon Review", said Levine has “one of our most resonant voices of social conviction and witness, and he speaks with a powerful clarity…What Work Is may be one of the most important books of poetry of our time. Poem after poem confronts the