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 How Can We Be Silent How Can We Be Silent is the third studio album from contemporary Christian band BarlowGirl. It was released on July 24, 2007 in five different editions, including three retailer-exclusive editions that each added a unique acoustic bonus track. Similarly to "Another Journal Entry", this album was released in a special edition variant known as "How Can We Be Silent Premium Edition". It was released concurrently with the regular edition, adding a new cover sleeve and bundling a 45-minute DVD. Video content includes personal interviews, stories behind the songs on the album and two previously released