Take something as the core and guide
There is now a thing called "Acrylates/c10 - 30 Alkyl Acrylate Crosspolymer Alternative", which is the core. Its guide is "Acrylates c10 30 Alkyl Acrylate Crosspolymer Alternative".

View this core thing, which is of key use in all kinds of affairs. With guidance as the guide, everything follows this direction. Or in the process of craftsmanship, based on this core, according to its guidance, apply ingenious methods to make everything go smoothly.

In the selection of materials, according to the nature of the core, in line with the requirements of the guide, choose the appropriate material. In the process of production, according to the core characteristics, along the guiding track, control the heat and adjust the proportion to ensure that the finished product reaches an exquisite state.

This core and guidance complement each other, like a boat's cart and a car's rut, leading everything forward, eventually achieving a good state and becoming an extraordinary cause.