1 , DB , Glaskonstruktion , Grossbaustelle , Helmpflicht , Lehrter-Bahnhof , Stadtplanung , Zentralbahnhof , alley , architecture , bear , berlin , berliner , blue , booming , breadth , build , building , building industry , building operation , building site , building trade , building worker , building-site , burrow , business activity , capital , cement , center , central , central station , centre , centres , cities , city , close , close-up , commerce , construction , construction site , construction work , cover , crane , credit , danger , defence , development , dilatation , dilation , doughnut , downtown , economics , economy , edifice , effort , employment , erection crane , expansion , fence , fences , gdp , gebaeude , gebauede , german , germany , glass roof , growth , guard , hard , hardhat , have , helmet , helmets , helve , hoarding , hoist , increase , individual , infrastructure , installation , insurance , iron , job , job site , labor market , lead , level , level of business activity , limited company , logistic , logistics , logo , logotype , material , men , modern age , modern art , outdoor , outdoor shot , outline , ow_laudanna , pay , payment , person , prevent , prevention , propositional calculus , protect , protecting , protection , rail , rail traffic , railroad , railroad property , railroad station , railway , railway construction , railway station , road , roof , roofs , salary , security , site , sites , sky , sounding , sounding line , spire , state , station , station hall , stations , steel structure , stop , structure , study , subject , taught , terminal , top , town , trade cycle , train , up , urban , urbane , way , wear , work , worker , working world , workplace , works