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
Ledger from the purchases journal. The purpose of the Creditors Ledger is to provide knowledge about which suppliers the business owes money to, and how much. A ledger can have the following two formats. This type of ledger is made up of paper. It can be physically touched. Ledgers were invented several centuries ago and this used to be the only available form until the widespread adoption of computers, in the mid to late 20th century. This type of ledger is a digital file, or collection of files, or a database. It can be manipulated only by means of computer programs,