QUES: The procedure will make the cells red if their numeric value is greater than 100 but the colour code can easily be replaced by something else

correct the punctuation.

CORRECTED: The procedure will make the cells red, if their numeric value is greater than 100, but the "colour code" can easily be replaced by something else.

QUES: Displays the buttons to change programs to allow complete control of the boiler room and ventilation

correct the punctuation.

CORRECTED: Displays the buttons to change programs to allow complete control of the boiler room and ventilation.

QUES: 3 Attention to details

correct the punctuation.

CORRECTED:
3. Attention to details