Limit state design is a design (1) (methodology) used by structural and civil engineers. Structures and buildings are usually designed to (2) ______ with codes that are based on limit state theory. A limit state is a set of performance (3) _______covering, for example, strength, tendency to (4) ______, stability, tendency to buckle or twist, etc. These are the criteria that must be met when a structure is subjected to various types of (5) _____. A structure or a building has to satisfy two main criteria: the ultimate limit state (ULS) and the serviceability limit state (SLS). To satisfy ULS criteria, all the types of (6) _______ (bending, shearing, compression, etc.) that a particular element (a column or a beam, for example) could be subjected to must be below an established (7) _____.