'Reverse Barrier Nursing' or 'Protective Isolation' is the

physical separation of a patient at high risk from common organisms carried by others.

The answer is yes. Usually, mosques have this separation by having different floors, different areas with separate entrances, having a curtain as separation, ...etc.

A. F. Brown has written:

'Partial separation of the uranium isotopes by diffusion through a porous barrier'

'A flow meter for small gas flows'

The Berlin Wall now symbolizes the Cold War and oppression. It served as a physical and symbolic barrier between the two halves of Germany.

The Iran-Pakistan barrier is a separation barrierwhich Iran has started[update] building along its border with Pakistan replacing an intermittent tattered border fence