This paper presents a safe control applied to a reaction wheel pendulum. assuring that the system satisfies stability objectives and safety constraints. Safety constraints are specified in terms of a set invariance and verified through control barrier functions (CBFs). The existence of a CBF satisfying specific conditions implies set invariance. https://www.pomyslnaszycie.com/western-321-cyl-reg-adaptor-cga-200-to-cga-510-online-sale/