Fruit is a natural gift for people with many benefits for the body. In addition to providing vitamins, high in fiber and minerals, tropical fruits in particular also contain phytochemicals - an antioxidant that can fight many kinds of incurable diseases like cancer, heart disease and stroke. Dried fruits are great products that are not only delicious but also nutritious, helping people consume more fruit. Dried fruits still contain adequate vitamins, fiber, antioxidants, but due to lack of moisture, nutrients are more concentrated.
Fasteners are the general term of the class of mechanical parts used in fastening two or more parts (or components) into a whole. It is widely used in energy, electronics, electrical appliances, machinery, chemical, metallurgy, mold, hydraulic and other industries, at the same time, in various kinds of machinery, equipment, vehicles, ships, railway, bridge, construction, structure, tools, instruments, chemical, instruments and supplies, you can see all kinds of fasteners, is the most widely used mechanical foundation parts. It is characterized by a wide variety of variety specifications, different performance uses, and a very high degree of standardization, series, and generalization. Therefore, a class of fasteners that already have national standards is called standard fasteners, or simply standard ones.