The term 'IMPLEMENT WITH A BLADE' can be summarized as using an OAR to propel a boat. An OAR is a long pole with a blade at one end, used to row or steer a boat. It is usually made of wood, but can also be made of metal or plastic. Oars are used in many types of boats, from small rowing boats to large ships. They are an important part of the propulsion system for boats, and are used to move the boat through the water.