QUESTION: Fix punctuation: When the bonding material is gold silver or silver palladium the separation will be in the adhesive joint
ANS: When the bonding material is gold, silver or silver palladium the separation will be in the adhesive joint.

QUESTION: Fix punctuation: From now on it is extremely difficult for her to eat anything at all and at times her weight falls below 35 kg But when her health allows she works purposefully on completing two collections of stories
ANS: From now on it is extremely difficult for her to eat anything at all, and at times her weight falls below 35 kg. But when her health allows, she works purposefully on completing two collections of stories.

QUESTION: Fix punctuation: For dry environments in health care premises
ANS: For dry environments in health care premises.

QUESTION: Fix punctuation: Doob was elected a member of the National Academy of Sciences and was also elected to French Academy of Sciences
ANS:
Doob was elected a member of the National Academy of Sciences and was also elected to French Academy of Sciences .