Complex sentence: The lorica hamata is a type of mail armour used by the Roman Republic and the Roman Empire up to the 1st century, when it was starting to be supplemented by lorica segmentata, but had been reintroduced as standart-issue armor by the 4th century.
Split into simpler sentences: The lorica hamata is a type of mail armour used by the Roman Republic and the Roman Empire. During the 1st century it was starting to be supplemented by lorica segmentata, but had been reintroduced as standart-issue armor by the 4th century.