This is because the more water held by the petals of a flower, the greater the chance that it will dramatically change colour once pressed.

Once pressed, pneumatic pistons move the 4 rim clamps together or apart simultaneously.

It seems curious enough to us to be standing on ground that was once actually pressed by the feet of the Saviour.

It is then pressed once and barrel aged for about 2-4 months.

No wonder his mother had once pressed him to consider a calling in the Church.

This tiny projection here, when pressed once, lets you scroll down.

It is also possible to backtrack into previous levels, and buttons once pressed are not marked, unless they were booby-trapped.

But Mr. Bush never once pressed Congress to pass the renewal.

'Be that as it may, once pressed not even you can halt the consequence.'

It must only be pressed once though.