21. USDA's Animal and Plant Health Inspection Service regulates field testing of genetically engineered plants. 22. If we marvel at our blueprints, the field testing will be something altogether different. 23. McClure said three more years of field testing with the ladybug turned up no problems. 24. The services were adjusted in the light of feedback from this " field testing ". 25. Continuing field testing procedures are used to refine the wording and uses of the instrument. 26. Each element of the method then undergoes iterative refinement through both laboratory and field testing . 27. The Regiment has responsibility for field testing new equipment for the French Army as a whole. 28. Unfortunately, in their rush to market the toys, the company doesn't have time for field testing . 29. Field testing occurred in 2009 and in 2012.30. Two prototype units were constructed and mounted on conventional 53 ft flat cars for field testing .
