And some E-mail programs are designed to filter out files over a certain size.

Langberg notes that pacemakers are now designed to filter out electromagnetic interference.

She pointed to the proliferation of blocking software designed to filter out pornography.

"The Test is designed to weed out those who might be harmful to them- selves, to the Order, to the innocents in the world."

Metal pipes, designed to spray out steam and boiling oil, were installed around the ship's perimeter.

"It's designed for those few out there who are selling financial snake oil to military personnel," he added.

The concept of the initial training is designed to weed out the weak candidates.

This program was designed to weed out those who are harmful to all of society.

Medicare is designed, I'm convinced, to weed out the strong from the weak.

In the past this was typically just £50 - and it was designed to weed out trivial or frivolous claims.