These types of cards require only close proximity to an antenna to complete the transaction.

The overharvesting of oysters has made it difficult for them to reproduce, which requires close proximity to one another.

What he's got requires proximity to tap the subconscious.

These cards require only proximity to an antenna to communicate.

Placement is strategic as many buildings require close proximity to others.

These cards require only close proximity to an antenna to complete a transaction.

The former tend to be clustered in space, as they require proximity to build a common conceptual framework and share new ideas.

"It requires convenient transportation and proximity to places of work."

The jobs being created are those that require physical proximity to locations or face-to-face contact with customers and therefore cannot be outsourced.

Wind farms require open fields, a high average annual wind speed and proximity to power lines.