Bibliography
Aird, F. (1999). . Mechanic’s guide to precision measuring tools. . Osceola, WI: MBI Pub. Co. p. 18. ISBN 9780760305454.
B., H. (2004). (Modern Welding Technology (6th Edition),. Cary& Scott Helzer, ISBN 978-0131130296).
D.B, (. (1917). Repair and Maintenance Welding Handbook. United States of America: Grooverd, Mikall P.w.
Groover, M. P. (1973). (FUNDAMENTALS OF MODERN MANUFACTURING.Professor of Industrial and Systems Engineering Lehigh University. SONS, INC.
maritime, U. (1915). . MMAW welding handbook pdf) . Air Products PLC).
McDonald, M. (1630). (Guidelines For Shielded Metal Arc Welding (SMAW)pdf. West Spencer Street, WI 54914 USA). Appleton: Miller Electric Mfg. Co. An Illinois Tool Works Company.
Rue, C. ((1898)). Skin Exposures and Effects - l. NEWYORK: The National Institute for Occupational Safety and Health.
Smith, K. (1992). . Environmental Hazards: Assessing Risk and Reducing Disaster. Routledge Physical Environment Series (first ed.). california: Routledge. ISBN 9780415012171.
stivenson.P. (1998). "Measurement: Length, width, height, depth | Think Math!". washington: . thinkmath.edc.org.