QUES: Available frame heights 46 cm

correct the punctuation.

CORRECTED: Available frame heights: 46 cm

QUES: It just happens to be housed in this instrument in some of the instruments and it houses itself just like an electric power

correct the punctuation.

CORRECTED: It just happens to be housed in this instrument, in some of the instruments, and it houses itself just like an electric power.

QUES: Contains omega 3 DHA and EPA acid acid

correct the punctuation.

CORRECTED:
Contains omega 3, DHA and EPA acid acid.