A Job Specification should include: Physical characteristics, which include health, strength, endurance, age, height, weight, vision, voice , eye, hand and foot co-ordination, motor co-ordination, and color discrimination. Psychological and social characteristics such as emotional stability, flexibility, decision making ability , analytical view, mental ability, pleasing manners, initiative, conversational ability etc. Mental Characteristics such as general intelligence, memory, judgment, ability to concentrate, foresight etc. (iv)Personal Characteristics such as sex, education, family background, job experience, hobbies, extracurricular activities etc.