Paper × 841 mm). A1 is half the size of a sheet of A0 (i.e., 594 mm × 841 mm), such that two sheets of A1 placed side by side are equal to one sheet of A0. A2 is half the size of a sheet of A1, and so forth. Common sizes used in the office and the home are A4 and A3 (A3 is the size of two A4 sheets). The density of paper ranges from for tissue paper to for some speciality paper. Printing paper is about . Paper may be classified into seven categories: Some paper types include:
How Can We Be Silent music videos, "I Need You to Love Me and "Never Alone". On May 20, 2007, Warner Music Group launched a promotional site, "Have You Heard The Word?", to promote this album and other upcoming releases. Two music videos were announced, but cancelled, during the "How Can We Be Silent" era. The first was announced on May 24, 2007 on the "How Can We Be Silent All Access Pass" site intended for Family Christian Stores customers, without announcing the song for the music video. Additionally, the back of the "All Access Pass" mentions "the world premiere of the new BarlowGirl video