spine with masts along the length of the building allowing for a post-free area and so providing a flexible interior and the possibility of
Kaynak: Inmos microprocessor factory

This is a triple span post-free trellis frame steel bridge supported by a continuous beam. The bridge was opened on 12 August 1956.
Kaynak: Rhine Bridge, Kehl

Newspapers published in Barbados were post-free; other printed matter was charged a halfpenny. Barbados was the first British Colony to
Kaynak: Postage stamps and postal history of Barbados