The robotic arm's d. o. f. determine how flexible its movements can be during assembly.

Before the shoot, the photographer checked the D. O. F. to ensure the subject would be sharp.

Our contract specifies F. O. B. as the delivery term for all ocean shipments.

The autonomous drone's D. o. F. allowed it to navigate complex environments with ease.

The old sailor kept a cat-o'-nine tucked under his bed as a grim reminder of past punishments.

The museum displayed an old cat-o-nine believed to have been used on ships in the eighteenth century.

After the row at the pub, he was branded a Y. O. B. by the locals.

The airport hired a new F. B. O. to manage fueling and hangar services.

O. M. G., I can't believe you climbed that cliff by yourself!

O my God, the mast has snapped and the crew cling to the wreck!