Химия Биология Математика Еда и напитки Общая тематика Бухгалтерия Искусство
Hi everyone, my name is Salvador, I'm twenty years old. I finished the high school specialized in chemistry a short time ago, and now I'm working with the English language, since it really is what I like to do, so I decided to do it seriously and professionally.
документ C1 Advance
Problem solving methods for the continuous improvement of processes
документ Problem solving methods for the continuous improvement of processes
документ 5S tool