I Can't Let Maggie Go 10 hit in Italy, with a 1968 version made by Equipe 84, entitled "Un angelo blu" ("A blue angel"). It enjoyed an unexpected reprise in popularity in the 1970s, when it was used as the soundtrack for a television advertisement for "Nimble", a bread produced for slimmers. "I Can't Let Maggie Go" has been covered by J. Vincent Edwards in 1974, as well as by the Sideburns in 1993. David Essex included his own version on the 2005 compilation album, "The Complete Collection". I Can't Let Maggie Go "I Can't Let Maggie Go" is a song by the British pop
By-product production processing costs when the by-product is produced. A by-product can be useful and marketable or it can be considered waste. For example, bran is a byproduct of the milling of refined flour, sometimes composted or burned for disposal but in other cases used as a nutritious ingredient in food or feed, and gasoline was once a byproduct of oil refining that later became a desirable commodity as motor fuel. IEA defines "by-product" in the context of life-cycle assessment: "... main products, co-products (which involve similar revenues to the main product), by-products (which result in smaller revenues), and waste products