An easytocontrol thermostat is used to set the water to heat up to a temperature of 65C

Can you repeat this sentence, but add in punctuation?
An easy-to-control thermostat is used to set the water to heat up to a temperature of 65C
Halsted had suggested a problem in one of his classes which had led Moore to prove that one of Hilbert s geometry axioms was redundant

Can you repeat this sentence, but add in punctuation?
Halsted had suggested a problem in one of his classes which had led Moore to prove that one of Hilbert 's geometry axioms was redundant.
The fixed buttons have mostly been placed close to the area they control

Can you repeat this sentence, but add in punctuation?
The fixed buttons have mostly been placed close to the area they control.