Mr. Carty began installing the metallic circuit in his lines that is, he used wire, instead of the ground, to complete the circuit. As a result of this improvement the telephone was immediately cleared of these annoying interruptions.

Carty 先生开始在他的线路中安装金属电路，即他使用电线而不是地面来完成电路。作为这项改进的结果，电话立即清除了这些烦人的中断。