help needed for universal slot machines

Buy ABS Shoe Cover Dispenser Machine for Refill, Universal T-Slot Type for Quick and Easy use

Universal input 90~264Vac Maximum efficiency up to % Built-in PV 5 slot output for MP450650, 7 slot output for MP1k0 75W100W150W210W300W

universal slot Used as a resource to trouble shoot my slot machine New Life is the #1 source

universal coin slot machine , the com- bination of a key lever , a rock lever operatively connect- ed therewith , a universal slot in the rear end of said type bar , a type