With your cursor inside the minesweeper window type "XYZZY" then press Shift-Enter and Enter. A white dot should appear in the upper-left corner of the screen. If it turns black, your cursor is resting on a mine.
Slot: Narrow vertical or inclined opening excavated in a deposit at the end of a stope to provide a bench face. Stope: Large exploitation opening, usually inclined or vertical, but may also be horizontal.
Use the five-spin slot strategy to play up to five spins at various slot machines. It's time to move on to the next machine if you receive non-0 wins. With the five-spin slot strategy, you are simply trying to get a taste of several machines rather than trying to win multiple times on one particular machine.