teachers: automated external defibrillator (AED)] Posture: Prolonged standing; frequent kneeling/squatting, bending/stooping, pushing/pulling, and twisting Motion: Frequent walking Lifting: Regular light lifting and carrying (less than 15 pounds); may lift and move text books and classroom equipment Environment: Work inside, may work outside; regular exposure to noise Mental Demands: Maintain emotional control under stress; work prolonged or irregular hours . Plan and use appropriate instructional and learning strategies, activities, materials, equipment, and technology that reflect understanding of the learning styles and needs of students assigned and present subject matter according to guidelines established by Texas Education Agency, board policies, and administrative regulations.