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Unit 1 Basic Knowledge of Welding 1

Course Design 1

Warm-up Question 1

Passage 1

Complementary Reading 6

Tips 10

Unit 2 Shielded Metal Arc Welding 11

Course Design 11

Warm-up Question 11

Passage 11

Complementary Reading 17

Tips 21

Unit 3 Submerged Arc Welding 22

Course Design 22

Warm-up Question 22

Passage 23

Complementary Reading 28

Tips 31

Unit 4 Gas Metal Arc Welding 32

Course Design 32

Warm-up Question 32

Passage 33

Complementary Reading 37

Tips 40

Unit 5 Cutting 41

Course Design 41

Warm-up Question 41

Passage 41

Complementary Reading 47

Tips 49

Practical Training One 50

Unit 6 Nondestructive Testing 52

Course Design 52

Warm-up Question 52

Passage 53

Complementary Reading 60

Tips 62

Unit 7 Welding Quality Standard—Shipbuilding and Repair Quality Standard for New Construction 63

Course Design 63

Warm-up Question 63

Passage 64

Complementary Reading 71

Tips 76

Unit 8 Quality Levels for Internal Imperfections—ISO 5817:2003 77

Course Design 77

Warm-up Question 77

Passage 77

Complementary Reading 86

Tips 91

Unit 9 Sand Casting Processes 92

Course Design 92

Warm-up Question 92

Passage 92

Complementary Reading 97

Tips 100

Unit 10 Die Casting 101

Course Design 101

Warm-up Question 101

Passage 101

Complementary Reading 106

Tips 109

Practical Training Two 110

Appendix 1 New Words and Expressions 112

Appendix 2 Vocabulary 131

Appendix 3 Selective Reading Materials 150

Appendix 4 Terms of Welding and Casting 157

References 179