这句话是什么意思啊？

Question

Mr. Dursley was the direct or of a firm called Grunnings, which made drills.
是在说Dursley的称呼吗？后面的made drills.又是什么？

Answer 1

Dursley是称呼，
made drills 是做演习的意思

Answer 2

德斯里先生是Grunnings钻头公司的主管

Answer 3

What’s wrong with you？