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  2. Letter box - Wikipedia

    en.wikipedia.org/wiki/Letter_box

    Rural and some suburban areas of North America may utilize curbside mailboxes, also known as rural mailboxes. These receptacles generally consist of a large metal box mounted on a support designed primarily to receive large quantities of incoming mail, often with an attached flag to signal the presence of outgoing mail to the mail carrier. In ...

  3. Domestic Mail Manual - Wikipedia

    en.wikipedia.org/wiki/Domestic_Mail_Manual

    The Domestic Mail Manual (DMM) is a document that lays out the policies and prices of the United States Postal Service (USPS). In legal parlance, it contains "the Mailing Standards of the United States Postal Service". [ 1 ]

  4. Post in ground - Wikipedia

    en.wikipedia.org/wiki/Post_in_ground

    A post in ground construction, also called earthfast [1] or hole-set posts, is a type of construction in which vertical, roof-bearing timbers, called posts, are in direct contact with the ground. They may be placed into excavated postholes , [ 2 ] driven into the ground, or on sills which are set on the ground without a foundation.

  5. Pillar box - Wikipedia

    en.wikipedia.org/wiki/Pillar_box

    Each post box has its own set of keys and postal workers have to carry large bunches with them when clearing the boxes. The carcass or body of the box supports the door and cap, and may protrude substantially down below ground level. This provides security and stability to the pillar box.

  6. Post (structural) - Wikipedia

    en.wikipedia.org/wiki/Post_(structural)

    The term post is the namesake of other general names for timber framing such as post-and-beam, post-and-girt construction and more specific types of timber framing such as Post and lintel, post-frame, post in ground, and ridge-post construction. In roof construction such as king post, queen post, and crown post framing

  7. Post box - Wikipedia

    en.wikipedia.org/wiki/Post_box

    Postbox of the Russian Post in Moscow. A post box (British English; also written postbox; also known as pillar box), also known as a collection box, mailbox, letter box or drop box (American English), is a physical box into which members of the public can deposit outgoing mail intended for collection by the agents of a country's postal service.

  8. Interceptor ditch - Wikipedia

    en.wikipedia.org/wiki/Interceptor_ditch

    The interceptor ditch commonly consists of a ditch and may have an associated dike. Sediment control measures may be required to filter or trap sediments before the runoff leaves the construction area. The construction of the interceptor ditch at the crown of a slope is normally accomplished prior to the excavation of the cut section. [1]

  9. Pole building framing - Wikipedia

    en.wikipedia.org/wiki/Pole_building_framing

    Poles, from which these buildings get their name, are natural shaped or round wooden timbers 4 to 12 inches (100 to 300 mm) in diameter. [4] The structural frame of a pole building is made of tree trunks, utility poles, engineered lumber or chemically pressure-treated squared timbers which may be buried in the ground or anchored to a concrete slab.