As a last resort, we could even wire the descent batteries to the circuit breakers controlling the ascent engine fuel and oxidizer valves and force the valves open.
(we; could even wire; the descent batteries; to the circuit breakers) (the circuit breakers; controlling; the ascent engine fuel and oxidizer valves) (we; force; the valves; open)
we the circuit breakers we
could even wire controlling force
the descent batteries to the circuit breakers
the ascent engine fuel and oxidizer valves
the valves open