Early civilizations formulated mythological tales to explain the origin of hearth, like Prometheus from Greek mythology who shared fire with individuals. Aristotle (384–322 BC) first recorded that burning coals produced poisonous fumes. Greek medical doctor Galen (129–199 Advertisement) speculated that there was a change from the composition of the air https://houses-for-sale-boulder-c54197.wikitidings.com/5596346/5_essential_elements_for_houses_for_sale_longmont_co