about the cranes, we have bought eight cranes, and all are in excellent working condition, i suppose that maybe there are cranes with less working condition, but the most important thing is that always they are talked with the true and you can take the best decision. speaking on a panel requires a different skill set than simply presenting to an audience solo, and putting in a bit of time will make you feel more confident when you walk onto the platform. it will be feasible given that we recognize how to save time and cash on products and work. 