Verantwoording foto's

	Empty rows of blue plastic seating © mark montgomery, Moment / Getty Images ArenaControl
	Teaser: © EYE-SCREAM, Hansjörg Riedel Automatische Eingangssysteme
	Teaser: © EYE-SCREAM, Hansjörg Riedel Automatische Eingangssysteme
	Teaser: © EYE-SCREAM, Hansjörg Riedel Automatische Eingangssysteme
	Teaser: © Florian Holzherr Beschläge für die Fassade
	Teaser: © Hydro Building Systems / WICONA Beschläge für die Fassade
	Teaser: © Maurits van der Staay 2010, FR-Paris Beschläge für die Fassade
	© Maurits van der Staay 2010, FR-Paris Beschläge für Drehfenster
	Teaser: Computer server room © F64, Digital Vision / Getty Images Branchenlösungen
	Teaser: Containers © Enrique Díaz , 7cero, Moment / Getty Images Branchenlösungen
	Teaser: Empty rows of blue plastic seating © mark montgomery, Moment / Getty Images Branchenlösungen
	Teaser: Ushuaia Prison Corridor © 2010 Luis Argerich, Moment / Getty Images Branchenlösungen
	Computer server room © F64, Digital Vision / Getty Images DatacenterControl
	Teaser: © Aumüller Aumatic GmbH Fenstertechnik
	Teaser: © Hydro Building Systems / WICONA Fenstertechnik
	Teaser: © Lothar Sprenger Fenstertechnik
	© EYE-SCREAM, Hansjörg Riedel Ganzglaskarusselltür GGG
	Teaser: Computer server room © F64, Digital Vision / Getty Images GEMOS
	Teaser: © EYE-SCREAM, Hansjörg Riedel Glasschiebewände
	© EYE-SCREAM, Hansjörg Riedel Großraumkarusselltür GGR
	1. Running businessman with image of clock and newspaper, CG, composition, blurred motion, toned image © Getty Images GU, BKS und FERCO – Marken der Gretsch-Unitas-Gruppe
	2. Folded newspapers and laptop, high angle view, close up, toned image © DAJ / Getty Images GU, BKS und FERCO – Marken der Gretsch-Unitas-Gruppe
	3. HighLight Towers - Munich Skyscrapers © daitoZen / Getty Images GU, BKS und FERCO – Marken der Gretsch-Unitas-Gruppe
	4. Globe with streaks of light © Magictorch / Getty Images GU, BKS und FERCO – Marken der Gretsch-Unitas-Gruppe
	5. Group of business executives in office building © i love images / Getty Images GU, BKS und FERCO – Marken der Gretsch-Unitas-Gruppe
	6. City of art & science Valencia Spain © Spencer Bowman / Getty Images GU, BKS und FERCO – Marken der Gretsch-Unitas-Gruppe
	Getty Images Hausautomation
	Getty Images Hausautomation
	© Florian Holzherr Individuelle Sonderkonstruktionen
	Ushuaia Prison Corridor © 2010 Luis Argerich, Moment / Getty Images Justizvollzugsanstalten
	Teaser: Group of confident, professional businesspeople © Stígur Karlsson, Vetta / Getty Images Karriere
	Teaser: Young professional woman smiling at colleague, close-up © PhotoAlto/Eric Audras, PhotoAlto Agency RF Collections / Getty Images Karriere
	Teaser: © EYE-SCREAM, Hansjörg Riedel Karusselltüren
	Teaser: © EYE-SCREAM, Hansjörg Riedel Karusselltüren
	Teaser: © EYE-SCREAM, Hansjörg Riedel Karusselltüren
	© EYE-SCREAM, Hansjörg Riedel Linearschiebetür CM
	© EYE-SCREAM, Hansjörg Riedel Linearschiebetür CM WK2
	© EYE-SCREAM, Hansjörg Riedel Linearschiebetür HM
	Containers © Enrique Díaz , 7cero, Moment / Getty Images LogisticsControl
	© Hydro Building Systems / WICONA Parallelausstellbeschläge
	Teaser: Germany, Stuttgart, Businesswoman standing with diary, smiling © Westend61, Brand X Pictures / Getty Images & Germany, Hannover, Businessman and businesswoman walking with briefcase at terminal © Westend61 / Getty Images Personenvereinzelung
	Teaser: Germany, Stuttgart, Businesswoman standing with diary, smiling © Westend61, Brand X Pictures / Getty Images & Germany, Hannover, Businessman and businesswoman walking with briefcase at terminal © Westend61 / Getty Images Personenvereinzelung
	Teaser: Three businessmen standing at reception desk in hotel lobby © Pando Hall, Photodisc / Getty Images & Businessman Using Pass to Enter Office © Cultura RF / Getty Images Personenvereinzelung
	Teaser: © EYE-SCREAM, Hansjörg Riedel Personenvereinzelung
	© EYE-SCREAM, Hansjörg Riedel Rundschiebetür CMR
	Teaser: © Aumüller Aumatic GmbH RWA / NRWG und Lüftungssysteme
	© Aumüller Aumatic GmbH RWA / NRWG und Lüftungssysteme
	Teaser: © EYE-SCREAM, Hansjörg Riedel Schiebetüren
	Teaser: © EYE-SCREAM, Hansjörg Riedel Schiebetüren
	Teaser: © EYE-SCREAM, Hansjörg Riedel Schiebetüren
	Teaser: © EYE-SCREAM, Hansjörg Riedel Schiebetüren
	Three businessmen standing at reception desk in hotel lobby © Pando Hall, Photodisc / Getty Images & Businessman Using Pass to Enter Office © Cultura RF / Getty Images Schwenktüren
	© EYE-SCREAM, Hansjörg Riedel shopMaster GSW-A
	© EYE-SCREAM, Hansjörg Riedel Sicherheitskarusselltüren und Sicherheitsrundschleusen
	© EYE-SCREAM, Hansjörg Riedel Sicherheitskarusselltüren und Sicherheitsrundschleusen
	© EYE-SCREAM, Hansjörg Riedel Standardkarusselltür GRA
	Germany, Stuttgart, Businesswoman standing with diary, smiling © Westend61, Brand X Pictures / Getty Images & Germany, Hannover, Businessman and businesswoman walking with briefcase at terminal © Westend61 / Getty Images Vertikaldrehkreuze