### Instruction:

Extract the cause and effect entities from the following sentence:
When installed in the system, the parent metal sections are directly welded to the system tubing (checklist item 9A)

### Assistant:

CAUSE_1: installed in the system
KEYWORD: When
VARIABLE: the parent metal sections
EFFECT_1: the parent metal sections are directly welded to the system tubing
CONDITION: are directly welded to the system tubing
NOT_RELEVANT: (checklist item 9A)

