The pesticide label should be marked with the name of the pesticide, the name of the company, the contact information, the active ingredient, the net weight, the applicable crop, the object of the control, the method of use, the toxicity mark, the safety interval, the first aid measures for poisoning, and the precautions. Do not buy the label incomplete or not. Labeled pesticides.
Second, look at the registration number
When purchasing pesticides, do not buy pesticides that do not have a pesticide registration number or a temporary pesticide registration number on the label.
Third, look at the appearance of the product
Do not buy powder that has been agglomerated or turbid emulsifiable concentrate.
Fourth, we must see the validity period.
General pesticides are valid for two years. Do not buy products that do not have a date of manufacture or that exceed the expiration date.
From:Ningbo Agricultural Economics Network
Die casting is a metal casting process that involves forcing molten metal under high pressure into a mould cavity. The mould cavity, also known as a die, is typically made of hardened steel and is custom-designed to produce the desired shape of the final product.
The process begins with melting the metal, usually non-ferrous metals such as zinc, aluminum, magnesium, or copper alloys, in a furnace. Once the metal reaches the desired temperature, it is injected into the mold cavity at high pressure using a hydraulic or mechanical press.
The high pressure helps to quickly fill the mold cavity and ensures that the molten metal solidifies rapidly to produce precise and complex shapes with fine surface details. After the metal solidifies, the mold is opened, and the casting is ejected from the die.
Die casting is commonly used to produce a wide range of metal components and products with high dimensional accuracy, excellent surface finish, and tight tolerances. It is widely employed in industries such as automotive, aerospace, electronics, and consumer goods manufacturing.
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