1.   Chunks of ice can choke waterways pushing water backward beyond the river banks.

2.   The dynamic brakes essentially act like a reverse gear, taking electrical power from the motors to push backward against the wheels.

3.   After Ko pushed and hit her, Kim said, he pushed her backward over a barricade.

4.   Dejima charged ozeki Takanonami and pushed him backward before sending him tumbling for his fifth loss against eight wins.