Please capitalize where necessary: korat cats used in breeding must have a dna-test for gm, unless both parents are proven to be free from gm.
A: Korat cats used in breeding must have a DNA-test for GM, unless both parents are proven to be free from GM.

Please capitalize where necessary: by the action of heat, the intumescent paint forms a foam layer, which isolates the heat transfer from the fire space to steel.
A: By the action of heat, the intumescent paint forms a foam layer, which isolates the heat transfer from the fire space to steel.

Please capitalize where necessary: the supplement ships to all cities of australia, new zealand, canada, uk, and the usa. there are different shipping options available.
A: The supplement ships to all cities of Australia, New Zealand, Canada, UK, and the USA. There are different shipping options available.

Please capitalize where necessary: this bustle created the impression that we were doing something, but in effect it was only clogging up our institutions and our brains.
A:
This bustle created the impression that we were doing something, but in effect it was only clogging up our institutions and our brains.