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Anonymous users2024-01-24Oxalic acid is used as a rust remover in industry, which is sold in hardware stores for 2 yuan.
Rust removal function. Oxalic acid can be used to remove rust. And the acid oxalate produced is very soluble, but it has a certain toxicity.
When using, just don't eat or drink. After the skin comes into contact with oxalic acid, it should be washed with water in time. However, be careful when using, oxalic acid is highly corrosive to stainless steel.
High concentrations of oxalic acid also tend to corrode hands. Oxalic acid can remove rust, go to a store that sells chemical reagents, buy a bottle of oxalic acid, take some, and rub it on the rust stain with a solution prepared with warm water. Stores that sell oxalic acid generally sell some medical equipment and glass instruments.
Oxalic acid can remove rust, but it is toxic. Soluble in water and alcohol, when using, just don't eat or drink. Then wipe with metallographic sandpaper and finally spray paint.
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Anonymous users2024-01-23If there is no mistake, just give an hour and a half to train the manager how to arrange. It seems that it can only be half an hour for the spicy table, half an hour for the original table, and half an hour for the oven. But when it comes to an hour and a half, will it be for you to bring YES?
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Anonymous users2024-01-22Take him to familiarize himself with the environment first, and then bring him knowledge of food safety!
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Anonymous users2024-01-21It's definitely the training of yes workstation, watch the video, the peak is the best time to train.
It is not allowed for the renovation company to change the walls of your balcony without your consent, and you can compensate them. The decoration company should know the role of the beams on the balcony, you should look to see if the company is regular, this common sense does not understand, what kind of consequences will be caused by changing the wall at will, I think everyone knows it. In the event of an accident (such as an earthquake), his load-bearing capacity will decrease, and in an earthquake, some buildings that should not have collapsed at all will collapse, why is this? >>>More
It depends on what the vitality T of the furniture number is. >>>More
Give him some money and let him go home and rest for a few days!
To learn something, you should first master the methods and know-how. Everything is difficult at the beginning, nothing can be successful without hard work, do it well.
The door of the fire is open! Good luck!