QUES: A cough accompanied by phlegm often causes a whitish yellowish or greenish phlegm from the chest

correct the punctuation.

CORRECTED: A cough accompanied by phlegm often causes a whitish, yellowish, or greenish phlegm from the chest.

QUES: Building one row of ice blocks without any gap will extend the time duration by 20 seconds

correct the punctuation.

CORRECTED: Building one row of ice blocks without any gap will extend the time duration by 20 seconds.

QUES: If you wish to remove some or all of your details from our register please contact Husqvarna AB Relevant postal and email address contacts

correct the punctuation.

CORRECTED:
If you wish to remove some or all of your details from our register, please contact Husqvarna AB [Relevant postal and email address contacts].