QUES: Before buying a vacuum cleaner Vimar VVC224 specify all your options equipment appearance and warranty from the seller Please note that we are not engaged in the sale and manufacture warranty

correct the punctuation.

CORRECTED: Before buying a vacuum cleaner Vimar VVC-224 specify all your options, equipment, appearance and warranty from the seller. Please note that we are not engaged in the sale and manufacture warranty.

QUES: Racism Laws against racism or other forms of hate speech are meant as protection for all and as safeguards of democracy

correct the punctuation.

CORRECTED: == Racism == Laws against racism or other forms of hate speech are meant as protection for all and as safeguards of democracy.

QUES: What will be the impact of students from both grade school and high school getting such a scientifically based understanding of their world

correct the punctuation.

CORRECTED:
What will be the impact of students from both grade school and high school getting such a scientifically based understanding of their world?