Please capitalize where necessary: polish language geographic distribution
A: Polish Language Geographic Distribution

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: in the vineyard alain has seen how our meunier-grapes are busy changing colour.
A: In the vineyard Alain has seen how our Meunier-grapes are busy changing colour.

Please capitalize where necessary: an overnight stay include breakfast (7am-9.30am) but too a depot for suitcases and backpacks, while you are travelling around in the country.
A:
An overnight stay include breakfast (7am-9.30am) but too a depot for suitcases and backpacks, while you are travelling around in the country.