Construction Robotics has paired engineering intellect with on-site savvy, positioning its unique grasp of real-life conditions on job sites. The historic portrait of the post-work-day construction laborer is receiving a touch-up. Long-imaged as arriving back at home with a bad back, cramped hands, and wrecked neck, today’s construction crews have a few new innovative tools to aid with what ails. Meet SAM and MULE.