How are phone numbers in a phone book classified? When you are looking for someone's phone number , do you have to look through everybody's name to tind the number?

There are usually categories for names and the categories are sorted in alphabetical order. But nowadays phone books only are used for businesses and all that

electronic measurement tools display data on a screen after waiting for several minutes.

while some business owners prefer manual record keeping systems, most businesses use an electronic record keeping system - making it easier to capture information, generate reports and meet tax and legal reporting requirements.

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