The materials and procedures of the 19th-century lithographer are duplicated in almost every respect by the contemporary hand printer. An image is drawn with tusche (a carbon pigment in liquid form) and litho crayon before the printing surface is fixed, moistened, and inked in preparation for printing. The printing itself is done on a press that exerts a sliding or scraping pressure.
The dream about keys is a dream that refers to solutions to one's life problems. The question you have to ask yourself when you have this type of dream is 'what is the problem I have today that needs a solution, or a key? (read all at source)
Acne. To dream of having acne could indicate self-esteem or self-image issues. You're uncomfortable in a relationship or a particular situation. If, in your dreams, you're popping the acne, it means that you should face your negative emotions.reams about different rooms may correlate to subconscious thoughts, desires, and facets of your identity. To dream that you find or discover new rooms signifies new vitality, growing emotional maturity, and capability in meeting new challenges.