He would take pictures with his phone on the site, and then come in and we �d discuss their name in English. I have done some construction in my younger days, so i �m familiar with many tools, or we often would do internet searches together. But some I had no clue about a tool, or wasn �t sure what they were called locally (as I was only familiar with the American name). In that case he would ask his supervisor, and write it down, then bring it back to me. We developed a set of vocabulary cards that allowed him to practice with me.