question: - pulse width modulation (pwm) is a technique
Capitalize this past sentence correctly.
A: - Pulse Width Modulation (PWM) is a technique

question: the fastest and easiest way to open your cnc3replay file is to double-click it.
Capitalize this past sentence correctly.
A: The fastest and easiest way to open your CNC3REPLAY file is to double-click it.

question: zeal. this is a big flame in the work on themselves and commander.
Capitalize this past sentence correctly.
A: Zeal. This is a big flame in the work on themselves and commander.