Please capitalize where necessary: 8:22 and the lord said to samuel, hearken unto their voice, and make them a king.
A: 8:22 And the LORD said to Samuel, Hearken unto their voice, and make them a king.

Q: today's complicated zoom optical structures contain already more than 16 members, and no longer even remotely resemble for example, a memorable three-lens tessar objective from carl - zeiss of blessed memory.

A: Today's complicated zoom optical structures contain already more than 16 members, and no longer even remotely resemble for example, a memorable three-lens Tessar objective from Carl - Zeiss of blessed memory.

Q: products for fireworks light fwl-t4
A: Products for fireworks light FWL-T4

Problem: acquainted with these exciting toys, you no doubt want to play online flash again and again. and we will try to find you a new game, no less interesting, constantly updating and improving our site. stop there - not in our rules.
Can you repeat this sentence, but capitalize it?
Answer: Acquainted with these exciting toys, you no doubt want to play online flash again and again. And we will try to find you a new game, no less interesting, constantly updating and improving our site. Stop there - not in our rules.

Text: joule, electronvolt, calorie, british thermal unit, kilowatt-hour, ...

Correct capitalization: Joule, Electronvolt, Calorie, British thermal unit, Kilowatt-hour, ...

Text: but how that technology worked is still today something of a mystery.

Correct capitalization:
But how that technology worked is still today something of a mystery.