Please capitalize where necessary: this requires an extensive storage capacity and an efficient logistics system.
A: This requires an extensive storage capacity and an efficient logistics system.

Please capitalize where necessary: a manufacturer of 108 pcs led t8,120cm at guangdong china.
A: A manufacturer of 108 pcs led T8,120cm at GuangDong China.

Please capitalize where necessary: many individuals confuse credit cards with debit cards and vice-versa as well. in order to solve this never ending confusion, here are some of the similarities and the differences between the two types.
A: Many individuals confuse credit cards with debit cards and vice-versa as well. In order to solve this never ending confusion, here are some of the similarities and the differences between the two types.

Please capitalize where necessary: in the case that your xx file doesn't open, it is highly likely that you do not have the correct software application installed on your pc to view or edit xx file extensions.
A:
In the case that your XX file doesn't open, it is highly likely that you do not have the correct software application installed on your PC to view or edit XX file extensions.