11. The modern method involves using a mobile crane . 12. Modules are usually installed and replaced by a 15-ton capacity mobile crane . 13. This afforded advantages for mobile cranes where a central plant could provide compressed air. 14. In February 2009, a mobile crane and a small piling rig arrived on site. 15. The truss was launched in segments in a synchronised lift with two mobile crane units. 16. It accommodated a number of mobile cranes . 17. The more frequently reported accidents involve mobile cranes at street level or smaller, unlicensed derricks. 18. A related development at this time was the'mobile cranes became available in the field. 19. A mobile crane will lift the stage from the ship and place it on the stand. 20. Five mangled bodies were found beneath the last three carriages to be hoisted by a mobile crane .
