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 I Be Sure said: 'What the hell am I doing? I’m going out with a kid.'"). Of a rock-oriented band such as the (Young) Rascals introducing a traditional pop-style song such as "How Can I Be Sure" Cavaliere has stated: "The only reason we were brave enough to do that was [because] the Beatles did 'Michelle' and 'Yesterday'." (Cavaliere had an especial awareness of the Beatles having toured Europe with them in 1963 when Cavaliere was a member of Joey Dee and the Starliters; also the Rascals would open for the Beatles at Shea Stadium 15 August 1965). The track features the sounds