Soil should allow good drainage, with at least a third to a half made up of coarse sand and gravel.

A nephrostomy tube may then be placed to allow drainage.

Or the scalpel may be inserted along the edge of the nail to allow drainage.

These tubes allow drainage of any extra fluids from your chest.

Fill pots and trays not quite to the top, to allow better drainage.

The lower layers were of small stones that allowed good drainage.

The floor of the raft body is generally above water level to allow drainage.

A catheter may be inserted and left in place to allow continued drainage.

Eventually the abscess will come to a head, pop and allow drainage.

The tooth may also be extracted, allowing drainage through the socket.