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 Is Life the Harrison YouTube channel and other media platforms. A live version of the song, recorded with Eric Clapton and his band in December 1991, is available on Harrison's 1992 album "Live in Japan" album. The performance was recorded at Tokyo Dome on 17 December, during the final show of the tour. Part of a concert performance of "What Is Life" from Harrison's 1974 North American tour with Shankar is included in Scorsese's "George Harrison: Living in the Material World". While challenging the commonly held view that this controversial 1974 tour was a "disaster", Simon Leng writes of a Fort Worth