How has Modern advances changed welding technology since anicent times Essay

How has Modern advances changed welding technology since anicent times - Essay Example It is a dangerous process and precautions must be taken in order to avoid electric shock, burns, vision damage, exposure to UV radiation, and inhalation of toxic fumes and gases. Welding process traces its historic development from the ancient times. Therefore, this paper will delve into the changes technology has made in welding from the ancient times to the present. Welding traces its roots from the Bronze Age and the Iron Age. During the Bronze Age, small round golden boxes were made by pressure welding of lap joints together. It is believed that these golden boxes were made over two thousand years ago. Currently, the golden boxes have been put on exhibition at the National Museum in Ireland. On the other hand, during the Iron Age, people from the Eastern Mediterranean and Egyptians learnt the art of welding pieces of iron together. They made tools and weapons using forge welding operations. The art of blacksmithing developed to a high degree during the Middle Ages period. Several tools and weapons made from iron were welded by hammering. Blacksmithing entails working with extremely hot steel, a hammer and an anvil to make items. After the steel has been heated, it becomes malleable making it easy to punch and twist. It is the twisting and punching that shapes the metal. After shaping, it is cooled to harden the shape. Sometimes it is taken ba ck to the fire for reheating for further shaping and bending. While doing this, a blacksmith should use tongs handle the metals since they are extremely hot to be handled by bare hands. The process of forging metals and blacksmithing was extremely dangerous. This is ascribed to the fact that the blacksmith’s fires can be very hot, and it is mandatory to stoke them constantly in order to maintain the high temperatures. Therefore, blacksmiths had to observe caution while working in order not to burn their bodies or places of work. Secondly, blacksmiths

Human resource management Essay Example | Topics and Well Written Essays - 6750 words

Human resource management - Essay Example While feasibility studies for establishment of alliances find it important to discuss and evaluate the matters concerning technology, marketing, ownership and management structures; human resources is thought to be a subject that can be discussed, after the negotiations are finalized and alliance deal is signed. (Drouin, 2001). While issues of coordination between the workers and managers of two alliance partners remain unresolved, studies have confirmed that companies devote only around 4% of their time for resolving such issues. In addition, the differences between workforces of alliance partners can pose complex problems, incase people from different nationalities and ethnic background are involved. (Adler&Ghadar, 1990____________________________________________________Footnotes: For example, high failure rate has been recorded among the American expatriates, as American firms neglect specific procedures required for selection and training of their personnel, for working with international assignments Alliances and joint ventures are distinctly different in working style and management as the unitary domestic companies have particular style of management and human resources functional practice. The issues arise when people from different cultures have to undertake common responsibilities for discharging required functions and job responsibilities under a joint venture functional style. According to Shenkar and Zeira , an international joint venture can have eight different employee groups that have distinct characteristics. These would include executives from host-parent headquarters, host-parent transferees, host–country nationals, third county expatriates having foreign parents, parent country expatriates, third country nationals recruited directly by the IJV, third country expatriates having parents of host country nationality and foreign headquarters