Please capitalize where necessary: no. 49 - barrel ring with sling swivel
A: No. 49 - Barrel ring with sling swivel

Please capitalize where necessary: the ministers will furthermore discuss how to secure better protection for eu-citizens wishing to work or provide a service in another european country.
A: The ministers will furthermore discuss how to secure better protection for EU-citizens wishing to work or provide a service in another European country.

Please capitalize where necessary: there is no doubt that of all banach 's colleagues in lvov, mazur was the one closest to him.
A: There is no doubt that of all Banach 's colleagues in Lvov, Mazur was the one closest to him.

Please capitalize where necessary: the four examples in relation to the application areas.
A:
The four examples in relation to the application areas.