In anthropology, the limits to knowledge can be determined by practical barriers.

However, systemic and practical barriers must be overcome and additional research conducted to take full advantage of this opportunity.

"Without it, we will not be able to advance and break the psychological and practical barriers that prevent fast progress."

This design helps to overcome some of the practical barriers to designing high-power, high-efficiency power tubes.

Will the complex rules, regulations, and other government-service requirements act as a practical barrier to recruitment?

Numerous social and practical barriers exist that complicate the issue of initiating hospice status for someone unlikely to recover.

Apart from challenges, such as making sure that academic rigour isn't lost in such an experiment, there are practical barriers.

Promoting the mobility of young people requires practical barriers to be overcome.

All feelings and practical observations exist in Tauheediyah order at its apex but practical barriers cannot be seen.

But political and practical barriers make such action unlikely.