Please capitalize where necessary: preamble of section c states that rule 18 does not apply at a starting mark surrounded by navigable water.
A: Preamble of section C states that rule 18 does not apply at a starting mark surrounded by navigable water.

Please capitalize where necessary: an important risk of the proposed epa carbon standard is that it will lock the u.s. into a natural gas economy.
A: An important risk of the proposed EPA carbon standard is that it will lock the U.S. into a natural gas economy.

Please capitalize where necessary: women's or girls' overcoats, raincoats, car-coats, capes, cloaks and similar articles, of man-made fibres, of a weight per garment of <= 1 kg (excl. knitted or crocheted)
A: Women's or girls' overcoats, raincoats, car-coats, capes, cloaks and similar articles, of man-made fibres, of a weight per garment of <= 1 kg (excl. knitted or crocheted)

Please capitalize where necessary: tip: incorrect ud file association errors can be a symptom of other underlying issues within your windows operating system.
A:
Tip: Incorrect UD file association errors can be a symptom of other underlying issues within your Windows operating system.