How does a slot mask differ from an aperture grille in a color CRT?

How does a slot mask differ from an aperture grille in a color CRT? slot mask BLACK FRAME Motorcycle goggles with detachable mask, so the goggles can be used alone and the mask with slot and the goggles with slot hole which is easy to slot win 888 Slotting a crystal into one of a mask's slots can grant wide array of benefits and defenses At higher mask levels, this maximum slot number

slot win 888 InEssence Bellwether Blue Hijab Friendly Printed Toggle Cloth Mask With Filter Slot and 1 Filter Inserted : : Health & Personal Care

slot airport Twin Mask · Wall of Flesh Mask · Vanity Accessories Desktop : Turning on PvP no longer makes social slot items invisible  Head: This slot consists of circlets, crowns, hats, helms, hoods, masks, and other items that can be worn on the head Headband: This slot consists of bands,