QUES: In some previous paragraph was shown that under certain circumstances some patterns would resemble patterns in metal shavings produced while passing of current through the conductor

correct the punctuation.

CORRECTED: In some previous paragraph was shown, that under certain circumstances, some patterns would resemble patterns in metal shavings produced while passing of current through the conductor.

QUES: caios in vacation under coconut trees

correct the punctuation.

CORRECTED: "caios" in vacation under coconut trees

QUES: Angela 19 yrs For me its a time when we can come together

correct the punctuation.

CORRECTED:
Angela (19 yrs.) - "For me, it's a time when we can come together.