. . "Civil service." . . . "This is your passbook for telephone operator : test preparation study guide, questions & answers"@en . . . "Telephone operator : test preparation study guide, questions & answers"@en . . . . . . . "This is your passbook for telephone operator"@en . . . "Study guides"@en . . . . . . . "Examinations"@en . . . . . . . "Telephone operator"@en . . . . . . "This is your Passbook for telephone operator"@en . . . . . "Telephone operator"@en . .