When told to avast heaving, a line handler should stop taking in line. Synthetic highlines have a maximum safe load of 600 pounds. Surface lookouts stationed as low in the ship as possible should be relieved periodically. Braided lines with a highly twisted yarn core round out and harden the line. A Good Conduct Medal is worth 2 award points when calculating advancement exam scores for E4-E6 Navy and Marine Corps candidates. The curved forward portion of a projectile is the ogive. Pivoted link boats have davits that can be single-arm or double-arm configurations and pivot around a single axis to move inboard or outboard.