Working for, and not just with, concrete requires flexibility, durability and a strong foundation. Rick & Mark, concrete workers in Los Angeles, California, are some of the hardest working men MikeâÂÂs ever met. They need their phones on the jobsite; phones that will work just as hard and smart as they do. And get just as dirty. Mike Rowe asks them to try out the Motorola phones on the jobsite. See if it can handle the weight of the job.