If you are using the night vision goggles they can aid in formation flight/stationkeeping.
Jan. 3rd, 1984.—I was in the front sitting-room and dare not go out of the room for the cold; my plants were awfully dry, and hearing E. [her niece] in the kitchen, I telepathed to her to bring me in some water. She at once came with a jug full and asked if I would water the plants.
Some filtering materials are used for special purposes rather than general use. One such material is greensand, sometimes referred to as manganese greensand. […] [M]anganese greensand is produced when greensand (the mineral glauconite, a natural zeolite) is treated with manganous sulfate followed by potassium permanganate. This process forms a manganese-coated greensand, which can remove soluble iron and manganese. When the removal capacity of the manganese greensand is exhausted, it can be restored by soaking the filter bed in potassium permanganate. In many water treatment plants, potassium permanganate is continuously fed into the influent water, so the manganese greensand can be continuously regenerated.
manganese greensand.
Sounds, the mild thunder of the night waves hitting calmer water and the sigh of retreating afterwaves, now joined together with what we saw.
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