QUES: Turn on lights and electric equipment only when necessary use air drying for laundry

correct the punctuation.

CORRECTED: Turn on lights and electric equipment only when necessary; use air drying for laundry

QUES: Measure up to 10 A 20 A for 30 seconds

correct the punctuation.

CORRECTED: Measure up to 10 A (20 A for 30 seconds).

QUES: It is a safe Gynecomastia supplement that gives you a guarantee of losing those unattractive boobs quickly easily and without painful surgery

correct the punctuation.

CORRECTED:
It is a safe Gynecomastia supplement that gives you a guarantee of losing those unattractive boobs, quickly, easily and without painful surgery.