'sirs,' he said, 'i perceive that before long the voyage will be attended with danger and heavy loss, not only to the cargo and the ship but to our own lives also.'

How would the previous sentence be correctly capitalized?
Answer: 'Sirs,' he said, 'I perceive that before long the voyage will be attended with danger and heavy loss, not only to the cargo and the ship but to our own lives also.'
what sleeping remedies could i take?

How would the previous sentence be correctly capitalized?
Answer: What sleeping remedies could I take?
turn to me, and have mercy on me, for i am desolate and afflicted.

How would the previous sentence be correctly capitalized?
Answer: Turn to me, and have mercy on me, For I am desolate and afflicted.
500 mv dc measurement range to interface with other accessories

How would the previous sentence be correctly capitalized?
Answer: 500 mV dc measurement range to interface with other accessories