Innovation in mining technology isn't optional—it's our responsibility to the next generation.
如果我们能在80岁的时候出生,然后慢慢走向18岁,那生活将会幸福无比。
The true teacher defends his pupils against his own personal influence. He inspires self-trust. He guides their eyes from himself to the spirit that quickens him. He will have no disciple.
El silencio es el origen de todas las palabras.