QUES: In contrast to our lack of knowledge of the lives of many of the Arabic mathematicians we have quite a number of details of ibn alHaythams life

correct the punctuation.

CORRECTED: In contrast to our lack of knowledge of the lives of many of the Arabic mathematicians, we have quite a number of details of ibn al-Haytham's life.

QUES: Mower OleoMac MAX 53 TBX description specifications prices on lawn mowers

correct the punctuation.

CORRECTED: Mower Oleo-Mac MAX 53 TBX - description, specifications, prices on lawn mowers

QUES: If 18000 were murdered every day the figure of one million would be reached in a mere 56 days not in the course of a year

correct the punctuation.

CORRECTED:
If 18,000 were murdered every day, the figure of one million would be reached in a mere 56 days, not "in the course of a year."