Add punctuation: Thorium crude waste and scrap of thorium Euratom
A: Thorium, crude; waste and scrap, of thorium "Euratom"

Add punctuation: About us on new research and dissemination
A: About us - on new research, and dissemination

Add punctuation: Battery life is normally more than 4 years depending on intensity of use
A:
Battery life is normally more than 4 years, depending on intensity of use.