Pyromechanisms for use in the space industry, namely, thrusters for machinery used for pyrotechnical applications in the space and aeronautics industries; mechanically operated mechanisms for generating impulses for changing an orbit or altitude, and mechanically operated mechanisms for performing releasing, pushing or rotating functions; pyromechanisms, namely, machines in the nature of disengageable arms for space, air and sea vehicles; power activated pinpullers for use with solar panels, ...