Chemistry is the science of matter, especially its chemical reactions, but also its composition, structure and properties. Chemistry is concerned with atoms and their interactions with other atoms, and particularly with the properties of chemical bonds. wikipedia.org

The pharmaceutical industry discovers, develops, produces, and markets drugs or pharmaceutical drugs for use as medications. wikipedia.org

Research and development (R&D, R+D, or R'n'D), known in Europe as research and technological development (RTD), refers to innovative activities undertaken by corporations or governments in developing new services or products, or improving existing services or products. wikipedia.org

Technical writing, a form of technical communication, is a style of writing used in fields as diverse as computer hardware and software, engineering, chemistry, the aerospace industry, robotics, finance, consumer electronics, and biotechnology. wikipedia.org

New product development (NPD) is the term used to describe the complete process of bringing a new product to market. wikipedia.org

Professional writing involves the use of clear language to convey information in a way that is easily understood by the intended audience. Individuals who can use language well may be employed as full-time professional writers in a variety of communications-related occupations, such as wikipedia.org

Reverse engineering is the process of discovering the technological principles of a device, object, or system through analysis of its structure, function, and operation. wikipedia.org

Scientific writing is writing about science. Different fields have different conventions for writing style, and individual journals within a field usually have their own style guides; in general, scientific writing emphasizes plain and accurate descriptions rather than rhetorical flourishes. wikipedia.org

The scientific method is a body of techniques for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge. wikipedia.org

Quality control, or QC for short, is a process by which entities review the quality of all factors involved in production. wikipedia.org