Technology1 min ago
Dt Gk 12,600
4 Answers
33 across (10) ?I?O?I?I?M Metal in the lanthanide series which can be used to make control rods for nuclear reactors due to its ability to capture thermal nuetrons. 44 down (7) T?I?L?S In campanology, a system of change-ringing using seven bells.
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