It now sells about 15 models from 5 different series of laser machines. These consist of high-functionality CO2 and fiber lasers, large format cutters inside the SP series, and automated laser marking machines.  Mortise and tenon joints are similar to finger joints, besides the "fingers" on 1 piece of material https://rankuppages.com/story4716866/easy-maintenance-cnc-machines-for-dummies