Tag: entertainment

• Crayons

  “Crayons are a type of stationery commonly used by children for drawing and decoration. The main ingredients of crayons are paraffin wax and pigment, similar to oil pastel.“ 1 – Raw materials: 2 – Production process: This figure simply illustrates the process of making crayon, in reality the process operates in large equipment automatically. 3…

  Tiến Lân

  August 31, 2025

  Technology Sharing

  art, books, entertainment