Engineering drawing drawing on A3 may be enlarged to A2 or reduced to A4. The U.S. customary "A-size" corresponds to "letter" size, and "B-size" corresponds to "ledger" or "tabloid" size. There were also once British paper sizes, which went by names rather than alphanumeric designations. American Society of Mechanical Engineers (ASME) ANSI/ASME Y14.1, Y14.2, Y14.3, and Y14.5 are commonly referenced standards in the U.S. Technical lettering is the process of forming letters, numerals, and other characters in technical drawing. It is used to describe, or provide detailed specifications for an object. With the goals of legibility and uniformity, styles are standardized and
Purchase ledger Purchase ledger A bought ledger is a system in accounting by which a business records and monitors its creditors. The purchase ledger contains the individual accounts of suppliers from whom the business has made purchases on credit. Information on invoices and credit notes received, and payments made, are recorded in the supplier's account using the debits and credits system, with the balance of each account at a given moment representing the amount currently owed to that supplier. Historically, the purchase ledger was maintained in book form, hence the term ledger, but in modern practice it is much more likely to