Please capitalize where necessary: there were some in my age, somewhere between 1990 and 2000 stand still fashionable.
A: There were some in my age, somewhere between 1990 and 2000 stand still fashionable.

Please capitalize where necessary: outdoor playing equipment best buy at - sport-tiedje
A: Outdoor playing equipment best buy at - Sport-Tiedje

Please capitalize where necessary: standard execution: brass boss, tapped blind hole.
A: Standard execution: Brass boss, tapped blind hole.

Please capitalize where necessary: the clearomizer is very well sealed , the possibility of leakings is zero , because the mouthpiece has a silicone gasket , so it will not leak .
A:
The clearomizer is very well sealed , the possibility of leakings is zero , because the mouthpiece has a silicone gasket , so it will not leak .