To obtain beneficial effects, the situation must include positive contact.

In addition to educational opportunities, prison libraries can help prisoners have positive and meaningful contact with family.

In the flat plate system there are two contacts, positive and negative.

Rarely have I had so much positive social contact with so many total strangers.

I've been increasing its coverage distance each hour or two, hoping to make a positive contact.

The unit was having very positive contact with the community.

Since losing contact with the Russian surface force, they had not tracked a single positive contact.

"We have two positive contacts, Sir," she told him.

The children should develop and maintain positive contact with significant others such as distant family members.