A chemist is a scientist trained in the study of chemistry. Chemists study the composition of matter and its properties. Chemists carefully describe the properties they study in terms of quantities, with detail on the level of molecules and their component atoms. Chemists carefully measure substance proportions, reaction rates, and other chemical properties. The word 'chemist' is also used to address Pharmacists in Commonwealth English.
Chemists use this knowledge to learn the composition, and properties of unfamiliar substances, as well as to reproduce and synthesize large quantities of useful naturally occurring substances and create new artificial substances and useful processes. Chemists may specialize in any number of subdisciplines of chemistry. Materials scientists and metallurgists share much of the same education and skills with chemists. The work of chemists is often related to the work of chemical engineers, who are primarily concerned with the proper design, construction and evaluation of the most cost-effective large-scale chemical plants and work closely with industrial chemists on the development of new processes and methods for the commercial-scale manufacture of chemicals and related products.
In several installments of the Final Fantasy series of role-playing games by Square Enix, classes (jobs) are roles assigned to playable characters that determine the character's proficiencies. Classes can be loosely categorized into physical classes, which specialize in using weapons and techniques; magical classes, which are proficient in magic; and mixed classes, which combine elements of both classes in addition to other special abilities.
In Final Fantasy, the player allocates permanent class selections to the four playable characters at the beginning of the game. Each of the six starting classes can be upgraded to a corresponding advanced class midway through the game.