physical barrier in a sentence

Examples

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