Philips introduced the Compact Cassette in Germany in 1963 it wasn't until Sony bought it was it mass produced for pre-recorded music and information. They were commercially around until the mid 90's...
in 1960 only 6.4% of trash was recycled, in 2000 53.3% of trash was recycled .however, we must improve recyclng eforts and reduce our total waste generation to cope with the increasing burden on...