Separate or combined, without mechanism or electrical apparatus, The terms of (c) and (d) of Note, item (a) Any article of furniture may be packed in: wooden boxes; wood-framed fiberboard boxes; or boxes constructed of fiberboard, testing not less than 200 pounds, which entirely cover the article and which have solid-fiber angleboard of 1/4-inch thickness measuring 21/2 inches by 21/2 inches outfitting all vertical and horizontal edges and held in place by banding. All finished surfaces or upholstered parts must first be protected against damage by adequate padding material. Shipping orders and bills of lading must describe package as wood box, wood-framed fiberboard box or reinforced fiberboard box.The class applicable will be the lowest provided in the specific item for the article of furniture in the form in which shipped.(b) Where bursting tests or edge crush tests are specified for containers, wrappers or interior packing, fiberboard must comply with the board requirements for the tests specified. Within Item 222, united inch and gross weight requirements apply only to Package 25F. Where united inches are specified, it means outside length, width and depth added where basis weight is referred to, weights are per ream of 500 sheets 24 x 36 inches.(c) All furniture packages of the 'F' or 'S' designation, constructed of corrugated fiberboard or wood or a combination thereof, must be conspicuously marked on at least one panel as follows: Articles of furniture packed in form-fitting, L-shaped containers, which may be shipped inverted upon each other without damage, may be marked to indicate loading in either vertical direction: (d) All furniture packages of the 'F' or 'S' designation, constructed of corrugated fiberboard or in part as the outside shipping container must conspicuously bear the certificate of box manufacturer showing name, city and state of manufacturer, package number and burst, puncture or edge crush test as shown within Item 222-1 (b) (2) and (3).(e) All numbered packages must also bear the package certificate, showing certifying company name, city and state, and package number, as shown in Item 299. (f) Shipping orders and bills of lading must show package number of the package in which furniture is shipped. Where in the separate description of the article, specific package is not provided, but other form of shipping such as 'loose' or 'bundles' is provided such description must be shown. (g) Unless otherwise provided, where in individual packages the specifications require a four-piece wood frame, whether or not diagonally braced, it must not be attached to the article. However, corrugated strips may be stapled to the inside of article structure with the other end of strip stapled to frame.(h) Articles with sliding doors in operating position must have such doors securely anchored and blocked in place.