QUES: In this work Heron states that vision results from light rays emitted by the eyes

correct the punctuation.

CORRECTED: In this work, Heron states that vision results from light rays emitted by the eyes.

QUES: We stay for a few carols and then walk on After a moment we meet a colleague from the cement plant in Aalborg small world

correct the punctuation.

CORRECTED: We stay for a few carols and then walk on. After a moment we meet a colleague from the cement plant in Aalborg - small world.

QUES: Classic and Simple Design Round Turquoise Studs Metal Needle

correct the punctuation.

CORRECTED:
Classic and Simple Design Round Turquoise Studs ( Metal Needle )