| http://www.w3.org/ns/prov#value | - Upon sufficient release of depressive pressure on actuator 18, dome-cap 16 returns under its own resilience to a normally raised position, the returning of dome-cap 16 relieving compressive pressure on pressure-sensitive variable-conductance material 30 to such a degree as to open the circuit, and desirably also raising or pushing actuator 18 to a normal resting position.
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