11.   Orders for durable goods tend to be volatile from month to month because of the erratic pattern of orders for commercial jetliners and defense hardware.

12.   Orders for durable goods tend to be volatile on a month to month basis because of the erratic pattern of orders for commercial aircraft and defense hardware.

13.   Orders for durable goods tend to be volatile on a month-to-month basis because of the erratic pattern of orders for commercial jetliners and military weaponry.

14.   Orders for big-ticket products tend to be volatile from month to month because of the erratic pattern of orders for commercial aircraft and military hardware.

15.   Orders for durable goods tend to be volatile from month to month because of the erratic pattern of orders for commercial aircraft and military hardware.

16.   Orders for durable goods tend to be volatile month to month because of the erratic pattern of orders for commercial aircraft and defense supplies.

17.   Orders for durable goods tend to be volatile on a month to month basis because of the erratic pattern of orders for commercial aircraft and defense supplies.

18.   Orders for durable goods tend to be volatile on a month-to-month basis because of the erratic pattern of orders for aircraft and military hardware.

19.   Orders for durable goods tend to fluctuate from month to month because of the erratic pattern of orders for commercial jetliners and military hardware.

20.   The navigator can detect an erratic driving pattern that could indicate drowsiness.