Around 50 per cent of the population, especially the urban population, is connected to the sewage system, while the rural population in most cases dispose of liquid waste by depositing it in permeable or semi permeable tanks.

The reservoir must also be permeable so that the hydrocarbons will flow to surface during production.

It may become permeable to these types of cells secondary to an infection by a virus or bacteria.

Part of the chamber opens to a differentially permeable membrane that lets water molecules through, but not the solute particles.

That's a fancy way of saying it's got shops, bars, bistros, destinations things go in and out of it. It's permeable.

If the boundaries between nuclear haves and have nots becomes more permeable, or even dissolves altogether, the entire multilateral security system could be called into question.

Because both oil and natural gas are lighter than water, they tend to rise from their sources until they either seep to the surface or are trapped by a non permeable layer of rock.

Israel is a small country living in a permanent state of siege, highly security conscious and surrounded by forces hostile to it India is a giant country whose borders are notoriously permeable, an open society known for its lax and easy going ways.

And more importantly, that line between good and evil which privileged people like to think is fixed and impermeable, with them on the good side, and the others on the bad side I knew that line was movable, and it was permeable.

Israel is a small country living in a permanent state of siege, highly security conscious and surrounded by forces hostile to it India is a giant country whose borders are notoriously permeable, an open society known for its lax and easy going ways.