architecture bricks brickwork building building-construction building-site building-work buildings cement-mixers construction construction-site construction-work development elements equipment exterior external framework home home-units homes house light linear lines materials men metal-work mixers modern perspectives pipes sand structure style suburban supplies units urban wall walls work workers workmen accommodation rubble safety straight untidy views window-frames windows antique back-space business-correspondence carriage carriage-return characters communicating communication correspondence finger-pressure fingering font ink ink-ribbon key-strikes keys lettering letters machine manual manual-typewriter mechanical metal office-equipment office-supplies paper paper-release paper-rest platen pre-digital pre-electric retro ribbon ribbon-release roller rubber shadows shift-key shift-lever space-bar spools striking transfer type type-bars typewriter typing vintage word