What are tentative slots, and can I block them?

Wi Slot Block™ - Slotted Blocks block slot T-slot distance: 100 mm made for T-Slot nuts according to DIN508 TolerancePrecision: +- 0 01 mm 150 mm block party slot machine Spin for big wins with Bison Blocks™! Enjoy powerful bison-themed features, block wins, and dynamic gameplay for big rewards Play Demo at Stakelogic

blockchain megaways slot T-slot distance: 50 mm made for T-Slot nuts according to DIN508 TolerancePrecision: +- 0 01 mm 150 mm