What achievements of the peoples of the Ancient East, Greece and Rome do we use in our time?

Greece: crossbow, theater, alphabet, cannon, lever, astrolabe.
Ancient East: Paper, compass, gunpowder, typography (China); Windmill (Babylon).
Rome: concrete, central heating, roads.



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.