I've worked in restaurants for 12 years and use a dozen brands. Most recently, my restaurant went through a gray "nature" clean and a green clean. Most of these things get clogged with hair, break where the handle connects to the device, and lose the contents of the bin when they hit the wall lightly. or a chair. Carlisle has NONE of these problems. On the first forward pass, he picks everything up. The only downside is that when new it doesn't sweep on the back pass until it's broken in, the…