Which of the following is not the part of the manifold?

Which of the following is not the part of the manifold? Correct Answer Plastic tubes

A manifold mainly consists of a platter, pump tubes, coils, transmission tubing, fittings and connections. A separate manifold is required for each determination and the change can be effected within a few minutes. The pump tubing and the connected coils are placed on a manifold platter, which keeps them in proper order for each test.

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