Bildnachweis
Seite Start:
Group of students working at the laboratory, © Alexander Raths – Fotolia.com
Rasengittersteine, © Pixelmixel – Fotolia.com
Studwork: filling the joints of the plaster boards, © Ingo Bartussek – Fotolia.com
Seite Anwendungen:
Wandaufbau Riemchenklinker, © Alterfalter – Fotolia.com
Cemento, © brunobarillari – Fotolia.com
Aufbau Fassadenputz, © Alterfalter – Fotolia.com
Pouring of liquid metal, © Laurentiu Iordache – Fotolia.com
Concrete, © NorGal – Fotolia.com
Wandfliesen kleben, © Alterfalter – Fotolia.com
Bergbau, © Blackosaka – Fotolia.com
chocolates, © winston – Fotolia.com
Working in the laboratory, © yanlev – Fotolia.com
Seite Referenzen:
Business charts and graphs, © Sergey Nivens – Fotolia.com
Lesepause, © Katrin Henning – Fotolia.com