1.   A driver then activates the pump with a credit card and selects a fuel.

2.   It activates gas pumps with a radio signal and automatically bills the customer, taking pay-at-the pump technology a step further.

3.   It then activates the pump and records the purchase.

4.   Mindful of past floods, Charles Donnelly, Metals USA president, ordered employees to pile sandbags at doorways and activate sump pumps.

5.   The circuitry he built activated the pump whenever the level dropped.

6.   The signal triggers the tag, which sends back a unique ID code that activates the pump.

7.   Two main water tanks drained when computers failed to activate pumps to fill them.

8.   Workers would have had to activate the pump manually in an emergency.

9.   It is believed the electrical pump was activated during ground maintenance.