Please capitalize where necessary: ++ the material/solution is considered technically suitable.
A: ++ The material/solution is considered technically suitable.

Q: the queen is alledgedly wearing her wedding costume and a crown of gold with pearls. sofie of mecklemburg was actually frederik ii's cousin, and she met him as part of an entourage as a teenager. they got married when she was only 14 years of age, and frederik ii a total of 23 years older!

A: The Queen is alledgedly wearing her wedding costume and a crown of gold with pearls. Sofie of Mecklemburg was actually Frederik II's cousin, and she met him as part of an entourage as a teenager. They got married when she was only 14 years of age, and Frederik II a total of 23 years older!

Q: kalender for december 1996
A: Kalender for December 1996

Problem: on friday it will be variable with isolated rain showers for a while. in the late evening clouds with local rain will prevail.
Can you repeat this sentence, but capitalize it?
Answer: On Friday it will be variable with isolated rain showers for a while. In the late evening clouds with local rain will prevail.

Text: the scale also applies in a destructive subject. like "cockroaches."

Correct capitalization: The scale also applies in a destructive subject. Like "cockroaches."

Text: 8. with full information being given and received concerning your products, do, produce and present a greatly improved product routinely on your post.

Correct capitalization:
8. With full information being given and received concerning your products, do, produce and present a greatly improved product routinely on your post.