Original sentence: Among the largest government-owned privatized are Embraer (the world's third biggest aircraft industry), Vale do Rio Doce (the world's second largest mining company, and the largest logistics operator in Brazil), Telebrás which benefit from this and became highly efficient powerful multinational companies.Brazil's very first democratically elected president fled out of office just before he was impeached by congress because of excessive corruption in his government in 1992.Under Zélia's tenure, Brasil had an unprecedented period of major changes, featuring "a revolution"  in many levels of public administration: privatization, opening its market for a free trade for the first time in the country's history, technological and industrial modernization, end of the hyper-inflation and public debt reduction
Edited sentence: Among the biggest government-owned privatized are Embraer (the world's third biggest aircraft industry), Vale do Rio Doce (the world's second largest mining company, and the largest logistics operator in Brazil), Telebrás which benefit from this and became highly efficient powerful multinational companies.Brazil's very first democraticly elected president fled out of office just before he was impeached by congress because of excessive corruption in his government in 1992.His government also had a tremendous commercial impact, once both taxes and red tape on imports were all lifted, allegedly to make the national indus.This neoliberal plan was then followed by his successors Fernando Henrique Cardoso and Lula da Silva  who maintained free trade, privatization program in large scale, and technological revolution.Under Zélia's tenure, Brasil had an unprecedent period of major changes, featuring "a revolution"  in many levels of public administration: privatization, opening its market for a free trade for the first time in the country's history, technological and industrial modernization, end of the hyper-inflation and public debt reduction