### Instruction:

Extract the cause and effect entities from the following sentence:
Welding procedures should be selected to provide a weld of the required quality, use the minimum amount of energy, and protect the heated metal from contamination

### Assistant:

CAUSE_1: Welding procedures should be selected
VARIABLE: the heated metal
CONDITION: from contamination
EFFECT_1: to provide a weld of the required quality
EFFECT_2: use the minimum amount of energy
AND: and
EFFECT_3: protect the heated metal from contamination

