Please capitalize where necessary: royalty-free stock photo (894): gravel shore at liptovska mara, slovakia
A: Royalty-Free Stock Photo (894): Gravel shore at Liptovska Mara, Slovakia

Q: at hollandbikeshop.com you can find a wide choice of low entry bicycles by brands like excelsior and victoria.

A: At Hollandbikeshop.com you can find a wide choice of Low Entry Bicycles by brands like Excelsior and Victoria.

Q: during these five years, 1814 to 1819, airy attended colchester grammar school where he was :
A: During these five years, 1814 to 1819, Airy attended Colchester Grammar School where he was :

Problem: the protocol allows for combined treatments where the retina is first electroporated and then treated with substances.
Can you repeat this sentence, but capitalize it?
Answer: The protocol allows for combined treatments where the retina is first electroporated and then treated with substances.

Text: the houses seem to be fortified. within windows are wider, as the windows of the castles, para protegerse del exterior.

Correct capitalization: The houses seem to be fortified. Within windows are wider, as the windows of the castles, para protegerse del exterior.

Q: delivering on the objectives of a youth guarantee requires strategic reforms to achieve more successful transitions from school to the labour market.
A:
Delivering on the objectives of a Youth Guarantee requires strategic reforms to achieve more successful transitions from school to the labour market.