QUES: Private browsing prevents your browser from storing browsing data such as cookies browsing

correct the punctuation.

CORRECTED: Private browsing prevents your browser from storing browsing data, such as cookies, browsing

QUES: Hamsters are preparing for a launch in the air Start playing by clicking the button startHamsterii prepare for a launch in the air

correct the punctuation.

CORRECTED: Hamsters are preparing for a launch in the air - Start playing by clicking the button start.Hamsterii prepare for a launch in the air.

QUES: The display can graphically show training progress weight andor bodyfat reduction

correct the punctuation.

CORRECTED:
- The display can graphically show training progress, weight and/or body-fat reduction.