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Wash laundry bleach? I only know that black clothes will turn red in some places when bleached, and this should be about the same, the dirt is oxidized, right......
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Those who are red are you wandering.
Products of oxidation.
Wipe it off with your hand and see if it falls off.
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Bleach is corrosive, you remove the grapefruit from the bricks.
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There's a chemical reaction.
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If it is not a completely impermeable tile, it will be damp for a long time, and dirt will penetrate into it.
I know that it can't include other toilet cleaning products, the cleaning effect is very good, but the glaze is corroded and it is easy to scale. I usually use laundry detergent, which works very well often, and I am right, it is my many years of experience.
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This is considered to be the possibility of threatened miscarriage, it is recommended to go to the hospital for B ultrasound examination, intramuscular progesterone treatment under the guidance of the doctor, during the fetal protection period, in addition to bed rest (in addition to urine, try not to move), strictly prohibit sexual life, should also maintain emotional stability, avoid a tense environment, supplement adequate nutrition, oral some vitamin E. If the embryo is normal, after rest and treatment, the cause of the miscarriage is eliminated, the bleeding stops, and the pregnancy can continue.