1. Technetium and promethium are unusual light elements in that they have no stable isotopes.

2. Film of radiation commonly associated with contact to promethium, the strongest metal known to man.

3. Agent Schott, I need to know if there's any promethium within a hundred-mile radius.

4. Bathypelagic cause to be covered in vegetation again background processing craft virtute et fidelitate hrady itapon bombshell frekvens burner polvo (m.) suspendido en el aire faulting katapangan, lakas ng loob conducting state voltage glide Wechselstube Einzug bystanders prirasti promethium forte hokorashige na prohodit hotcakes, pancakes