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Polarographic refers to a method or technique used in analytical chemistry to detect and measure the presence and concentration of various substances in a solution. It involves measuring the current that passes through a solution as a function of an applied voltage to monitor chemical reactions, especially reductions and oxidifications. This technique is typically carried out using a polarographic cell with a dropping mercury electrode or other types of electrodes. The term polarographic is typically associated with the pioneering work of Czech chemist Jaroslav Heyrovský, who was awarded the Nobel Prize in 1959 for developing this method.

A bad fairy is a mythical or legendary creature found in various folklore and fairy tales, often characterized by malicious, harmful, or mischievous behavior. These characters are often represented with magical powers which they use to cause harm or trouble for humans or other characters in the story, sometimes out of spite, jealousy, or for their own amusement. This term can also be used metaphorically to refer to anyone behaving in a negative or destructive manner.

An arm pad is a piece of protective gear or cushioning material designed to provide comfort or protect the arm from injury. It can be attached to furniture such as chairs or desks, or worn on the body in activities that may involve physical contact or risk of injury, like sports or certain work environments. An arm pad can be made from various materials including foam, leather, or other soft and padded fabrics.

Autodefensas Unidas de Colombia (United Self-Defense Forces of Colombia), often referred to as AUC, was a right-wing paramilitary and drug trafficking group in Colombia. The organization was active from 1997 to 2006 and was primarily involved in the Colombian armed conflict. The groups activities included drug trafficking, forced displacements, kidnapping, and massacres. The AUC was designated as a terrorist organization by several countries and international organizations.