QUES: When the piece measures 5153555759 cm bind off the center 910111212 sts for the neck

correct the punctuation.

CORRECTED: When the piece measures 51-53-55-57-59 cm bind off the center 9-10-11-12-12 sts for the neck.

QUES: This apartment features a dining area kitchenette and oven

correct the punctuation.

CORRECTED: This apartment features a dining area, kitchenette and oven.

QUES: Leveraging space instead of drawing lines helps to define different sections in a nonobtrusive manner

correct the punctuation.

CORRECTED:
Leveraging space instead of drawing lines helps to define different sections in a non-obtrusive manner.