The dermis is a layer of the skin of the integumentary system. The dermis lies deep to the superficial epidermis which is also the most superficial layer of the skin. The dermis lies superficial to the underlying hypodermis which is also referred to as subcutaneous tissue.
Among the components of the dermis are: sweat glands, hair follicles, collagen fibers, sensory- nerve endings and arrestor pill muscles.
The Integral Coach Factory at Perambur has become a leading rail coach manufacturing factory in the world. Chittaranjan Loco Works now produce diesel engines. Diesel engines are also being assembled at varanasi and Jamshedpur (Tata Elecrtic company of TELCO), BEML also manufactures railway wagons.