Question: - left 90: make a perpendicular left turn
Answer: --> - left 90: Make a perpendicular left turn

Question: transcend usb drive is a data storage device and are rewritable and removable devices.
Answer: --> Transcend USB drive is a data storage device and are rewritable and removable devices.

Question: a lip stick can make her lips bigger, shiner, sweeter and sexier.
Answer:
--> A lip stick can make her lips bigger, shiner, sweeter and sexier.