not be blocked. Other. Safety precautions in a machine shop are aimed to avoid injuries and tragedies, for example, to eliminate the possibility of a worker being fatally harmed by being entangled in a lathe. Many machines have safety measurements as built-in parts of their design; for example, an operator must press two buttons which are out of the way for a press or punch to function, and thus not pinch the operator’s hands. See also Job shop Forge Machine factory Machine industry Machine tool builder References Further reading Barnwell, George W. New encyclopedia of machine shop practice; a guide to the principles and practice of machine shop procedure. (1941). Calvert, Monte A. The mechanical engineer in America, 1830-1910: Professional cultures in conflict. Baltimore, MD: Johns Hopkins Press, 1967. Van Deventer, John Herbert. Handbook of Machine Shop Management. McGraw-Hill book Company, Incorporated, 1915. James A. Harvey. Machine Shop Trade Secrets: A Guide to Manufacturing Machine Shop Practices. Industrial Press Inc., 1 jan. 2005. Rex Miller, Mark Richard Miller. Audel Machine Shop Basics. 5th ed. John Wiley & Sons, 30 jan. 2004. Oscar E. Perrigo. Modern machine shop construction, equipment and management. 1905 Raymond, Howard Monroe, ed. Cyclopedia of Modern Shop Practice. 1903/06/09. Vol, 1; Vol. 2; Vol. 3; Vol. 4 Moltrecht, Karl Hans (1981), Machine Shop Practice, Volume 1 (2nd ed.), New York: Industrial Press, 1981. Moltrecht, Karl Hans (1981), Machine Shop Practice, Volume 2 (2nd ed.), New York: Industrial Press, 1981. Moltrecht, Karl Hans (1981), Machining for Hobbyists: Getting Started,"] Norwalk, CT: Industrial Press, 2015. Joshua Rose. [https://archive.org/details/modernmachinesho01roseuoft Modern machine-shop practice: operation, construction, and principles of shop machinery, steam engines, and electrical machinery, Volume 1, Scribner's, 1887; 3rd ed. 1899 Roy, Donald. "Quota restriction and goldbricking in a machine shop." American journal of sociology (1952): 427-442. Roy, Donald. "Efficiency and" the fix": Informal intergroup relations in a piecework machine shop." American Journal of Sociology (1954): 255-266. Harold Clifford Town. Technology of the machine shop. Longmans, Green, 1951. Albert M. Wagener, Harlan R. Arthur (1941). Machine Shop: Theory and Practice.'' External links Machines Manufacturing buildings and structures Secondary sector of the economy