In the study of mythology, a lunar deity is a god or goddess associated with or symbolizing the Moon. She is usually female, perhaps because of the association between women's menstrual cycles and the moon. She was also often associated with virginity, hunting, warriors (particularly female) and wisdom. She was usually sister, mother, daughter and/or enemy of the solar deity.
... the groove must not be lubricated. The acceleration of the gyroscope is best when the precession of the gyroscope is supported and amplified by wrist motion.
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