11. A trial assembly was done before delivery to site to identify any prefabrication errors. 12. Erdman was a proponent of prefabrication , with factory-made sections assembled on site. 13. This use of prefabrication was revolutionary and a precursor to Paxton's Crystal Palace. 14. Prefabrication of flaps opens interesting new possibilities.15. Among Thams'other activities was Strandheim Brug, a sawmill and prefabrication of houses business. 16. The prefabrication system was completely new. 17. This high degree of prefabrication means buildings can be manufactured and erected extremely quickly and efficiently. 18. He designed a building for prefabrication that was widely used by Gulf and other oil companies. 19. The company is known in the construction industry as a leader in construction technology and prefabrication . 20. The term prefabrication also applies to the manufacturing of things other than structures at a fixed site.