Compass has a half-life of only about 12 years, so a compass that contains 120 mCi of tritium when new will contain only 60 when it is 12 years old, 30 when it is 24 years old, and so on. Consequently, the illumination of the display will fade. Mariners' compasses can have two or more magnets permanently attached to a compass card, which moves freely on a pivot. A "lubber line", which can be a marking on the compass bowl or a small fixed needle, indicates the ship's heading on the compass card. Traditionally the card is divided into thirty-two points
How Many Licks? (Oh My)", Neal wrote that Tweet's focus on masturbation was a better expression of black female sexuality. The remix of "How Many Licks?" was also praised in retrospective reviews. In a 2015 article, Michael Arceneaux of VH1 called it "an under-appreciated gem" and suggested that Lil' Kim record another collaboration with Neptunes member Pharrell Williams in the future. According to Arceneaux, the remix is treated with "great reverence" by fans. Mark Anthony Neal was more critical of the remix due to Fabolous' lyrics ("Oops, there goes my kids on your face"), saying that the addition changed the song's message from