Add punctuation: R 6820 Harmful possible risk of irreversible effects through inhalation
A: R 68/20 Harmful: possible risk of irreversible effects through inhalation

Add punctuation: Cool coated skirt with lots of stretch back pockets and little slits centrally behind
A: Cool coated skirt with lots of stretch. back pockets and little slits centrally behind

Add punctuation: Weightloss requires reducing calories and calories should be the main target
A:
Weight-loss requires reducing calories, and calories should be the main target....