Please capitalize where necessary: holiday house for rent horni marsov czech republic - from vacation rental agency
A: Holiday House for rent Horni Marsov Czech Republic - From vacation rental agency

Q: participants stay with carefully selected, respectable host families in a home stay setting.

A: Participants stay with carefully selected, respectable host families in a home stay setting.

Q: we offer a variety of support packages that scale to the service's operating hours, from normal business hours monday to friday up to 24 hours, 7 days-a-week, 356 days-a-year.
A: We offer a variety of support packages that scale to the service's operating hours, from normal business hours Monday to Friday up to 24 hours, 7 days-a-week, 356 days-a-year.

Problem: 250806 clays, fireclay, crude, cleaned, crushed or milled, whether or not calcined
Can you repeat this sentence, but capitalize it?
Answer: 250806 Clays, fireclay, crude, cleaned, crushed or milled, whether or not calcined

Text: the same applies for the environments, where conditions are problematic; this can be everything from frequent starts/stops to high temperatures or lack of lubrication.

Correct capitalization: The same applies for the environments, where conditions are problematic; this can be everything from frequent starts/stops to high temperatures or lack of lubrication.

Text: most desktop computers already have a serial socket. on laptops however, the socket is not always present.

Correct capitalization:
Most desktop computers already have a serial socket. On laptops however, the socket is not always present.