Please capitalize where necessary: drawings with basic dimensions that can be used in your own designs.
A: Drawings with basic dimensions that can be used in your own designs.

Q: for high percentage of mature parasites, use cultures with an initial parasitaemia of 10%.

A: For high percentage of mature parasites, use cultures with an initial parasitaemia of 10%.

Q: see appendix a for an example of output from a /whois done on a user with an ip address.
A: See Appendix A for an example of output from a /WHOIS done on a user with an IP address.

Problem: remember to confirm your sign up in your inbox immediately, otherwise we will not receive your order.
Can you repeat this sentence, but capitalize it?
Answer: Remember to confirm your sign up in your inbox immediately, otherwise we will not receive your order.

Text: his dwelling is above, and underneath are the everlasting arms: he shall cast out the enemy from before thee, and shall say: be thou brought to nought.

Correct capitalization: His dwelling is above, and underneath are the everlasting arms: he shall cast out the enemy from before thee, and shall say: Be thou brought to nought.

Q: if your dog is suffering from abnormal reproductive hormone levels, neutering or spaying will be one of the primary treatments.
A:
If your dog is suffering from abnormal reproductive hormone levels, neutering or spaying will be one of the primary treatments.