Physical demands refer to the level and duration of physical exertion generally required to perform tasks in support of job functions, for example - sitting, keyboarding, walking, lifting, carrying, reaching, pushing, pulling, bending, stooping, twisting, turning, climbing step stools, and standing for periods of time. Ability to work effectively with people of diverse races, ethnicities, nationalities, sexual orientation, gender identities, socio-economic backgrounds, religions, ages, and physical abilities in a multi-cultural environment .