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 the Other Half Lives Lange; "The Other America" by Michael Harrington; and "The American Way of Poverty: How the Other Half Still Lives" by Sasha Abramsky. How the Other Half Lives How the Other Half Lives: Studies among the Tenements of New York (1890) is an early publication of photojournalism by Jacob Riis, documenting squalid living conditions in New York City slums in the 1880s. It served as a basis for future "muckraking" journalism by exposing the slums to New York City's upper and middle classes. This work inspired many reforms of working-class housing, both immediately after publication as well as making a lasting