raise up perpendicular
71Pole vault — Pole vaulting is an athletic field event in which a person uses a long, flexible pole (which today is usually made either of fiberglass or carbon fiber) as an aid to leap over a bar. Pole jumping competitions were known to the ancient Greeks, as… …
72Sailing — is the art of controlling a sailing vessel. By changing the rigging, rudder and dagger or centre board, a sailor manages the force of the wind on the sails in order to change the direction and speed of a boat. Mastery of the skill requires… …
73Solar energy — is the light and radiant heat from the Sun that powers Earth s climate and weather and sustains life. Since ancient times it has been harnessed for human use through a range of technologies. Solar radiation along with secondary solar resources… …
74Tidal acceleration — is an effect of the tidal forces between an orbiting natural satellite ( i.e. a moon), and the planet (called the primary) that it orbits. It causes a gradual recession of a satellite in a prograde orbit away from the primary, and a corresponding …
75Josip Plemelj — Infobox Person name=Josip Plemelj caption=Josip Plemelj as a student in Vienna, 1896deletable image caption quotation= birth date=birth date|1873|12|11|mf=y birth place=Grad na Bledu, Slovenia dead=dead death date=death date and… …
76Power factor — For other uses, see Power factor (pistol). The power factor of an AC electric power system is defined as the ratio of the real power flowing to the load over the apparent power in the circuit,[1][2] and is a dimensionless number between 0 and 1… …
77Peptic ulcer — Classification and external resources Deep gastric ulcer ICD 10 K25–K …
78Chichester Cathedral — Cathedral Church of the Holy Trinity …
79Napton-on-the-Hill — For the drug with trade name Napton, see Chlordiazepoxide. Coordinates: 52°14′42″N 1°19′34″W / 52.245°N 1.326°W / 52.245; …
80Floyd Bennett Field — For the airport in Queensbury, New York, see Floyd Bennett Memorial Airport. Floyd Bennett Field Historic District U.S. National Register of Historic Places …
