question: these linear bushing systems with ceramicspeed balls are available in many variants to suit any combination desired.
Capitalize this past sentence correctly.
A: These linear bushing systems with CeramicSpeed Balls are available in many variants to suit any combination desired.

question: since japan's growing ambitions for success in china.
Capitalize this past sentence correctly.
A: Since Japan's growing ambitions for success in China.

question: accidental file deletion: this is the most common mistake committed by many mac users.
Capitalize this past sentence correctly.
A: Accidental File Deletion: This is the most common mistake committed by many Mac users.