Please capitalize where necessary: tips for future reference:
A: Tips for Future Reference:

Please capitalize where necessary: clean or exchange cloth. repeat step.
A: Clean or exchange cloth. Repeat step.

Please capitalize where necessary: the fox is not easily spotted but early in the morning mother fox might be on the way home to the impatient cubs.
A: The fox is not easily spotted but early in the morning mother fox might be on the way home to the impatient cubs.

Please capitalize where necessary: mapping of the potential to utilize agricultural waste products in the energy production.
A:
Mapping of the potential to utilize agricultural waste products in the energy production.