11. A component that is not passive is called an "'active component " '. 12. Some of them include capsaicin, the active component of chili peppers. 13. The surface active component is usually labeled with carbon-14 or sulfur-35. 14. Passive components will have identical branches in both trees but active components may not. 15. Latisse is a solution of bimatoprost, the active component of the glaucoma medication Lumigan. 16. Active redundancy in active components requires reconfiguration when failure occurs. 17. Methylglyoxal is an active component of manuka honey and is the dominant antibacterial constituent. 18. Archery is included and is an active component of combat. 19. Recently there has been a growing interest in polymer conjugation with biologically active components . 20. Rotorcraft blades are traditionally passive; however, some helicopters include active components on their blades.