Se realizaron muchos avances en la metalurgia y la fabricación de herramientas en toda la antigua África. Estos incluyen máquinas de vapor, cinceles y sierras de metal, herramientas y armas de cobre y hierro, clavos, pegamento, armas de acero al carbono y bronce y arte.
espero que esto ayude =)
Many advances in metallurgy and tool making were made across the entirety of ancient Africa. These include steam engines, metal chisels and saws, copper and iron tools and weapons, nails, glue, carbon steel and bronze weapons and art
I hope this helps =)
I don’t understand the language in this question sorry.
It is c because you dont have to have lot of employees.
The second one is probably A
They rapidly break down at surface <span>temperatures and pressures.
This is the one disadvantage.
Hope This Helps!</span>
