QUESTION: Fix punctuation: Recycling of metals has provided one of the greatest contributions to the resource savings already achieved
ANS: Recycling of metals has provided one of the greatest contributions to the resource savings already achieved.

QUESTION: Fix punctuation: The revolutionary DARK File Analysis Tool scans analyzes and reports back every detail about your DARK file
ANS: The revolutionary DARK File Analysis Tool™️ scans, analyzes, and reports back every detail about your DARK file.

QUESTION: Fix punctuation: 34 What are your strengths and weaknesses
ANS: 34. What are your strengths and weaknesses?

QUESTION: Fix punctuation: When piece measures 28293134 cm work the 5th and 6th st tog in each side again 21232325 sts
ANS:
When piece measures 28-29-31-34 cm, work the 5th and 6th st tog in each side again = 21-23-23-25 sts.