Nissin Advancing

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No.11-No.20
No.11   No.12
11   12
Study room (2)
How to call refrigerants
  Study room (3)


No.13   No.14
13   14
Study room (4)

  Study room (5)


No.15   No.16
15   16
Study room (6)

  Study room (7)
Another aim of vacuum testing (1)

No.17   No.18
17   18
Study room (8)
Another aim of vacuum testing (2)
  Study room (9)
Another aim of vacuum testing (3)

No.19   No.20
19   20
Study room (10)
Prevention of hazards by liquid expansion
  Study room (11)
Proper tightening of bolts and nuts

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