Please capitalize where necessary: this polder station also provides additional space for demo fields and trials of all crops of the kws group.
A: This Polder Station also provides additional space for demo fields and trials of all crops of the KWS group.
Q: textile ducts meet high demands on indoor climate in sports halls - ke fibertec

A: Textile ducts meet high demands on indoor climate in sports halls - KE Fibertec
Q: great 125 m² loft for 8 persons composed by a large living room with a sofa bed.
A: Great 125 m² loft for 8 persons composed by a large living room with a sofa bed.
Problem: and in order to thank all the uses' support and also as a return, dll suite introduced this free download service to help millions of pc users suffering from dll errors like localsec.dll.
Can you repeat this sentence, but capitalize it?
Answer: And in order to thank all the uses' support and also as a return, DLL Suite introduced this Free Download Service to help millions of PC users suffering from DLL errors like localsec.dll.
Text: today the walls have a predominantly grey-black look, but originally the black and white colours were supplemented by bright red, yellow and blue colours. the changes in colour in the scagliola surfaces are due to the use of plant pigments (probably indigo) and cinnabar red and yellow in the original scagliola.

Correct capitalization: Today the walls have a predominantly grey-black look, but originally the black and white colours were supplemented by bright red, yellow and blue colours. The changes in colour in the scagliola surfaces are due to the use of plant pigments (probably indigo) and cinnabar red and yellow in the original scagliola.
Problem: there are lots of bars and restaurants in the area and there are 3 metro lines that you can reach within minutes from the accommodation, meaning no part of the city will be out-of-bounds during your time in barcelona.
Can you repeat this sentence, but capitalize it?
Answer:
There are lots of bars and restaurants in the area and there are 3 metro lines that you can reach within minutes from the accommodation, meaning no part of the city will be out-of-bounds during your time in Barcelona.