It is one of the oldest and broadest of the engineering disciplines. The mechanical engineering field requires an understanding of core areas including mechanics, kinematics, thermodynamics, materials science, structural analysis, and electricity.
Dura mater. Dura mater (UK /ËdjÊÉrÉ ËmeÉªtÉr/ or US /ËdÊÉrÉ ËmÃ¦tr/), or dura, is a thick membrane that is the outermost of the three layers of the meninges that surround the brain and spinal cord. It is derived from mesoderm. The other two meningeal layers are the arachnoid mater and the pia mater.
For other uses, see Muda (disambiguation). Muda (ç¡é§) is a Japanese word meaning futility; uselessness; wastefulness, and is a key concept in the Toyota Production System (TPS) as one of the three types of deviation from optimal allocation of resources (the others being mura and muri). Waste reduction is an effective way to increase profitability.