An exit route must meet minimum height and width requirements. [29 CFR 1910.36(g)] The ceiling of an exit route must be at least seven feet six inches (2.3 m) high. Any projection from the ceiling must not reach a point less than six feet eight inches (2.0 m) from the floor.
4. adjective. In Britain, first-class postage is the quicker and more expensive type of postage. In the United States, first-class postage is the type of postage that is used for sending letters and postcards. Two first class stamps, please. The price of mailing a first-class letter will not be increasing this year.
Postcards get special pricing if you are mailing them at First Class Retail rates or, for bulk mailers, at Presorted First Class rates. First Class Retail postage for a postcard is just 34Â¢, compared with 47Â¢ for a letter, with similar discounts in Presorted First Class postcard rates. But here's the rub. For every mail category other than First Class, postcards are classified as letters, and don't get any special postcard discount.