| 41. | Multi-zone security electric fence used alongside a physical barrier.
|
| 42. | Intellectual property has always depended on both legal and physical barriers to copying, Nesson noted.
|
| 43. | This is a physical barrier to check infiltration.
|
| 44. | "People have access to and from the site, but there are physical barriers, " said Bejarano.
|
| 45. | Physical barriers are only part of the equation.
|
| 46. | The French navy could also use its powerful tugboats as a physical barrier against protest vessels.
|
| 47. | Card-key controls, added security guards and physical barriers in front of buildings are the main improvements.
|
| 48. | _Physical barriers that can impede communication among employees.
|
| 49. | The commission believes fences and other physical barriers should be used only as a last resort.
|
| 50. | As long as the political and physical barriers persist, he said, prices are likely to remain volatile.
|
