Take the sphere.

Use it on the safe.

Sphere into socket

Poke the glass sphere with the crowbar, if it doesn't result in death or other unpleasantness, take it.

Tom doesn't know quite what you're trying to say. Do you want him to UNLOCK THE SAFE WITH THE GLASS SPHERE?

Well gee, why didn't you just come out and say that?

Tom unlocks the safe using the GLASS SPHERE and the SAFE LOCK SOCKET.

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