A good coach knows his sport. The coach must have an in-depth understanding of his sport, from the fundamental skills to advanced tactics and strategies. The coach must understand the rules of the game.
Learn-Lean Gemba Boards. The Learn-Lean Gemba Board is a practice-oriented tool for value stream data collection on site. With a size of W x H 33 x 52 cm (approx. 13 x 20.5 inch) and a weight of less than 500 g it is very easy to handle, portable, extremely light, and intended for the use of Value Magnets.
Alibaba is one of the largest e-commerce portals in China -- and perhaps the world -- so it's definitely legitimate. The suppliers who sell through it, though, are another story. While the majority of them are there to do business honestly, there have been some cases of suppliers scamming their customers.