opening roof using sliding panels
31Underground Electric Railways Company of London — Geographic map of the UERL s three deep level tube lines in 1907 Part of a series of article …
32Blackpool tramway — Double deck Balloon trams 700 (green) and 720 (black) at Bispham Overview Type First generation tramway L …
33Japanese art — covers a wide range of art styles and media, including ancient pottery, sculpture in wood and bronze, ink painting on silk and paper, and a myriad of other types of works of art. It also has a long history, ranging from the beginnings of human… …
34Escalator — For the album by Sam Gopal, see Escalator (album). Escalators in a Copenhagen Metro station, Denmark, 2007 Escalator in action, 2011 An e …
35Silo — A silo is a structure for storing bulk materials. Silos are used in agriculture to store grain (see grain elevators) or fermented feed known as silage. Silos are more commonly used for bulk storage of grain, coal, cement, carbon black, wood chips …
