Puretic power block Puretic power block The Puretic power block is a special kind of mechanised winch used to haul nets on fishing vessels. The power block is a large powered aluminium pulley with a hard rubber-coated sheave. While many men were needed for the back-breaking work of hauling a purse seine manually, the same work could be done by fewer men with a power block. The Puretic power block revolutionized the technology of hauling fishing nets, particularly purse seine nets. According to the Food and Agriculture Organization of the United Nations (FAO), "no single invention has contributed more to the success of
Rope-a-dope Rope-a-dope The rope-a-dope is a boxing fighting style commonly associated with Muhammad Ali in his 1974 Rumble in the Jungle match against George Foreman. In many competitive situations, rope-a-dope is used to describe strategies in which one contender lets their opponent fatigue themself by drawing non-injuring offensive actions. This then gives the contender an advantage towards the end of the competition or before, as the opponent becomes tired, allowing the contender to execute devastating offensive maneuvers and thereby win. The rope-a-dope is performed by a boxer assuming a protected stance (in Ali's classic pose, lying against the ropes, which allows