Traditional metal working in Mexico more. Important metal working centers include Taxco for silver, Santa Clara del Cobre for copper, Celaya for tin and Zacatecas for wrought iron. Metal working in Mesoamerica, especially of silver, gold and copper was advanced by the time the Spanish arrived, mostly concentrated in the modern states of Michoacán, Oaxaca and Guerrero. The mining and working of metals probably came to Mesoamerican cultures from the south. Metal working was principally in gold, silver, tin and lead, with some copper work known in what is now Michoacán. Gold was generally obtained in powder or pellet form in rivers and streams from
If This Isn't Nice, What Is?: Advice to the Young In 2016, Seven Stories Press released what it called a "(much) expanded second edition" of the book. If This Isn't Nice, What Is?: Advice to the Young If This Isn't Nice, What Is?: Advice to the Young (Seven Stories Press) is a 2013 collection of nine commencement speeches from Kurt Vonnegut, selected and introduced by Dan Wakefield. After the publication of his novel "Slaughterhouse-Five" brought him worldwide acclaim in 1969, Kurt Vonnegut became one of America's most popular graduation speakers. There were years when public speaking was Vonnegut's main source of income. "We are performing animals," he used to say