QUES: 3 Materials should be stored with due regard to the possibility of fire hazard 4 Shelves should be clearly labelled

correct the punctuation.

CORRECTED: 3 Materials should be stored with due regard to the possibility of fire hazard. 4 Shelves should be clearly labelled.

QUES: All models include MemoDose for accurate singleshot dosing

correct the punctuation.

CORRECTED: All models include MemoDose for accurate, single-shot dosing.

QUES: A selection of 12 fun and crazy semipermanent hair colors

correct the punctuation.

CORRECTED:
A selection of 12 fun and crazy semi-permanent hair colors.