Flexo Printing-machine
Flexography (often abbreviated to flexo) is a form of printing process which utilizes a flexible relief plate. It is essentially a modern version of letterpress, evolved with high speed rotary functionality, which can be used for printing on almost any type of substrate, including plastic, metallic films, cellophane, and paper. It is widely used for printing on the non-porous substrates required for various types of food packaging (it is also well suited for printing large areas of solid colour).
Rotogravure Printing-machine
Rotogravure (or gravure for short) is a type of printing process, which involves intaglio engraving the image onto an image carrier. In gravure printing, the image is engraved onto a cylinder because, like offset printing and rotary printing press. flexography, it uses a Once a staple of newspaper photo features, the rotogravure process is still used for commercial printing of magazines, postcards, and corrugated (cardboard) and other product packaging.

