Please capitalize where necessary: he held both positions until his death.
A: He held both positions until his death.
Q: this new baler/wrapper combination has been designed so that its transport width remains restricted to a mere 2.80 m with a length of only 5.90 m! combined with the wide tyres, the upshot is an outstandingly manoeuvrable, stable and versatile machine.

A: This new baler/wrapper combination has been designed so that its transport width remains restricted to a mere 2.80 m with a length of only 5.90 m! Combined with the wide tyres, the upshot is an outstandingly manoeuvrable, stable and versatile machine.
Q: children: several thousand children in finland lost their parents as they were sent to sweden for someone to take care of them and it was about 70 000 children and about 10 000 of them were adopted into swedish families.
A: Children: several thousand children in Finland lost their parents as they were sent to Sweden for someone to take care of them and it was about 70 000 children and about 10 000 of them were adopted into Swedish families.
Problem: this is a gift that will make your dad shed tears of joy the moment he receives it from you if he is really a movie buffs .
Can you repeat this sentence, but capitalize it?
Answer: This is a gift that will make your dad shed tears of joy the moment he receives it from you if he is really a movie buffs .
Text: before they began work they were informed about the colours that had been found on the ceilings and what they would look like when finished, and when the artists started their work in situ the ceilings were mostly completely finished.

Correct capitalization: Before they began work they were informed about the colours that had been found on the ceilings and what they would look like when finished, and when the artists started their work in situ the ceilings were mostly completely finished.
Problem: homocysteine is a poisonous breakdown product of the amino acid methionine.
Can you repeat this sentence, but capitalize it?
Answer:
Homocysteine is a poisonous breakdown product of the amino acid methionine.