Why does the water have a layer of oil on the toilet tuba

It's quite stubborn scale, it's a bit troublesome to clean, and the toilet cleaning liquid works, and you have to use a brush to brush it.

The sewage equipment on the aircraft consists of a bedpan, a sewage tank, a filter, an electric pump, a sewage canister, an inflatable pipe, and an exhaust pipe. After the defecation is defecated, the electric pump works, and the water in the sewage tank passes through the filter, the electric pump reaches the bedpan and washes the feces down. After the feces enter the sewage tank, the water can be recycled again after chemical sterilization, deodorization, dyeing and separation. >>>More

If you are too tired or go to bed too late, staying up all night is most likely to occur, so it's good to pay attention to rest.

I think it's just that when I was sleeping, I accidentally pressed my arm against my chest, which pressed my heart, and then the lack of blood supply to the brain caused brain activity, which is commonly known as dreaming. >>>More

With the Ang Lile Zhengyuan capsule, it can slowly recuperate, which can fundamentally solve the problem of kidney deficiency; Eat more leeks, yams, goji berries, seafood, black foods, soy products, animal offal, these are common foods that nourish the kidneys.