• exchange switch board mechanic

टेलीफोन:    phone telephone telephones telphone

टेलीफोन केन्द्र:    telephone exchange

केन्द्र:    bureau post nucleus heart exchange station outlet

स्विच:    switch trip toggle knife switch switches

स्विच बोर्ड:    switch board

बोर्ड:    board facia fascia advisory board conciliation

मेकैनिक:    mechanic mechanist