The message was short and terse: Your presence required immediately.

The presence of a second conductor in the case of a transmission line requires a different treatment as is discussed below.

The presence of such tree covering would reduce visibility and so require tracking skills.

The presence of a tree within the playing area required special local rules.

This foreign military presence will require substantial financial resources.

A humanitarian military presence in Bosnia will require a substantial number of troops.

Nevertheless, their presence in the southern country requires recognition.

The presence of these new terrorist threats undeniably requires action at European level.

The presence of different cultures requires that we make additional efforts to ensure dialogue and to demand respect for the rules.

Maybe the presence of strong hives requires big bees to over- corne them.