Letter of Deletion. A letter of deletion is sent to debt collection agencies or credit bureaus to request that incorrect or misleading information be removed from your credit report. This could include false information, such as a debt that never existed, or outdated information such as a debt that has now been paid.
Chopsticks It's commonly known that the Chinese invented chopsticks (or kuaizi in Chinese) as a set of instruments to be used when eating but the reason behind that is not commonly known. Actually, the Chinese were taught to use chopsticks long before spoons and forks were invented in Europe (the knife is older, not as an instrument for dining but as weapon). Chopsticks were strongly advocated by the great Chinese philosopher Confucius (551-479BC).
A Wouff Hong is a fictional tool used to punish Amateur Radio operators, who demonstrate poor operating practices. Legend has it that the Wouff Hong was invented by Hiram Percy Maxim (founder of ARRL) under the pseudonym, The Old Man, just as amateurs were getting back on the air after World War One.