The printing press is a device that applies pressure to an inked surface resting upon a print medium (such as paper or cloth), thereby transferring the ink. It enabled the mass production of books and other printed materials, and facilitated the spread of knowledge and culture.
A paper airplane is a toy aircraft made out of paper. It is one of the simplest and most common examples of origami, the art of paper folding. Paper airplanes can demonstrate basic principles of aerodynamics and flight, and are often used for fun and education.
Sandpaper is a type of paper with abrasive particles attached to its surface. It is used to smooth or polish surfaces by rubbing, or to remove material by scraping. Sandpaper is widely used in woodworking, metalworking, painting, and other crafts and industries.
A paper bag is a container made of paper, usually with an opening at one end. It can be used to hold or carry various items, such as groceries, food, or waste. Paper bags are often considered more environmentally friendly than plastic bags, as they are biodegradable and recyclable.
A paper lantern is a lantern made of thin, brightly colored paper. Paper lanterns are often associated with festivals, celebrations, and decorations in various Asian cultures. They can be made in different shapes and sizes, and can have candles, electric lights, or solar cells inside them.