PPGI PPGI PPGI is pre-painted galvanised iron, also known as pre-coated steel, coil coated steel, color coated steel etc., typically with a hot dip zinc coated steel substrate. The term is an extension of GI which is a traditional abbreviation for Galvanized Iron. Today the term GI typically refers to essentially pure zinc (>99%) continuously hot dip coated steel, as opposed to batch dip processes. PPGI refers to factory pre-painted zinc coated steel, where the steel is painted before forming, as opposed to post painting which occurs after forming. The hot dip metallic coating process is also used to manufacture steel
What Time Is It? (song) Efron) and Gabriella Montez (Vanessa Hudgens) is also visible. When the clock has ten seconds to go before the bell, the class commenced chanting "summer!" getting louder until the bell rings, after which the song is performed. The music video contains clips directly from the movie, and was released on July 31, 2007 on the iTunes Store. The music video was also released on the Disney Channel. The song peaked at number 1 on the "Billboard" Hot Single Sales chart for 28 weeks, which became the highest selling single of the year-end chart in 2007. What Time Is It? (song)