Consider the following statements in respect of fabrication of plastic products
1. Compression moulding is analogous to hot pressing of powdered metals
2. Jet moulding is a modification of compression
3. Injection moulding is analogous to die casting of metals
4. Transfer moulding is similar to hydraulic extraction
Which of these statements are correct?
(a) 1 and 2 (b) 1and 3 (c) 1, 2 and 4 (d) 2, 3 and 4