Which of the following sentences are true for jigs and fixtures?1. Using jigs and fixture produce work rapidly2. High speed, feed and depth of cut can be used in machining with the help of jigs and fixtures3. Jigs and fixture cannot be used in machining of complex and heavy components

• A. (1) and (2)
• B. (2) and (3)
• C. (1) and (3)
• D. All of the (1), (2) and (3)