Please capitalize where necessary: the 1+1-cavity mould features a version for left and for right-handed users.
A: The 1+1-cavity mould features a version for left and for right-handed users.

Q: for exterior plastic and rubber the recommended mixing ratio is between 1:10 and 1:1. a mixing ratio of 1:1 is recommended for the 'wet wet look'.

A: For exterior plastic and rubber the recommended mixing ratio is between 1:10 and 1:1. A mixing ratio of 1:1 is recommended for the 'Wet Wet Look'.

Q: the printable and readable evidence of the signatures will appear from the last page of the finished document which will be submitted to all parties when all parties have signed.
A: The printable and readable evidence of the signatures will appear from the last page of the finished document which will be submitted to all parties when all parties have signed.

Problem: what should i do if a delivered parcel is damaged?
Can you repeat this sentence, but capitalize it?
Answer: What should I do if a delivered parcel is damaged?

Text: 30 seven days shall the son who is priest in his place put them on, when he comes into the tent of meeting to minister in the holy place.

Correct capitalization: 30 Seven days shall the son who is priest in his place put them on, when he comes into the Tent of Meeting to minister in the holy place.

Text: the mood was more than up and running from the start and was only getting better as the traditional drinking songs appeared on stage.

Correct capitalization:
The mood was more than up and running from the start and was only getting better as the traditional drinking songs appeared on stage.