Thursday, February 27, 2020

Viual Aid and Gantt Chart Essay Example | Topics and Well Written Essays - 1250 words

Viual Aid and Gantt Chart - Essay Example For large organization, the focu i uually on improving the maintenance activitie uch that minimum amount of fund are expended (Anily et al., 1999; Alfare, 1999; Burke and mith, 1999a, b). The high cot of breakdown maintenance could be unbearable uch that the need for preventive maintenance become obviou. The afety of equipment and employee i improved by preventive maintenance ervice. Thi ha ignificant impact on the production proce. Reaching maximum plant availability through minimal delay and breakdown and optimal equipment working condition reduce or eliminate the need for ubcontracting ome apect of the job (Chen and Liao, 2005; Cheung et al., 2005). Thi ha a reducing effect on the uually large maintenance budget of many organization. Maintenance cheduling i uually baed on preventive maintenance activitie (Oke, 2004). In an organization where a large number of equipment are operated, preventive maintenance cheduling offer a mean of achieving continuou indutrial operation without which ytem utenance would be extremely difficult. ince the cot of implementing preventive maintenance cheduling i more economical than that of replacing broken down equipment, in the long t erm, it i more economical to implement thi maintenance option. ound maintenance cheduling i indipenable for high maintenance performance, which in turn facilitate the production proce to yield maximum output. Thi i attained when preventive maintenance upport continuou improvement programme. Effective maintenance cheduling require pecific time and labour allocation, knowledge of equipment hitory, pare availability, knowledge of work and facility priority rating, job pecification, etc. Maintenance cheduling promote effective utilization of both maintenance and production team, notably through minimizing idle time, breakdown and delay (Zhou et al., 2004; Gharbi and Kenne, 2005; Kim et al., 2005). For many year, extenive cientific documentation ha been made on cheduling both maintenance and operational activitie for profit (Yamayee et al., 1998). Recently, the focu of reearcher ha hifted from near optimal olution to the development of optimal olution approache. Thu, the recent work of Charle-Owaba (2002) i important in thi repect. The problem olved i the imultaneou cheduling of reource-contrained operation and maintenance (ee alo Oke and Charle-Owaba, 2005, 2006a, b). The current tudy i an extenion of the novel work of Charle-Owaba (2002). The remaining part of the paper i organized a follow: the next ection dicue the model formulation. Under thi ection, the notation ued in the model are dicued. In addition, the model aumption relevant to ea veel maintenance and operational activitie are explained. In thi ection, the algorithm governing the original model developed by Charle-Owaba (2002) i preented with detailed tep explained for it practical application. till in thi ection, the model framework i preented with mathematical equation upporting the original tructure preented by Charle-Owaba with ome extenion of the idea. Thee tep are preented in a logical manner peruaive enough for the reader to follow. In particular, the three-dimenional wave equation methodology i adopted. ection three dicue the cae tudy of a hipping company. Thi ection conider apect, which include the cae decription, ome variable affecting cot of hip maintenance and their mathematical repreentation,

Tuesday, February 11, 2020

AlWaleed Bin Talal Essay Example | Topics and Well Written Essays - 1000 words

AlWaleed Bin Talal - Essay Example His professional and financial initiatives AlWaleed’s prominence in investment surfaced in 1990s when he bought substantial shares in Citicorp, when the firm was experiencing financial crisis. Al Waleed’s bailed out Citibank with an initial investment of $550 million, an investment that has grown to about $1 billion currently. In 1997, AlWaleed was reported to have owned about 5% of News Corporation - stake that had grown to about 7% in 2010 ($3 billion) (Gustin 2). In February 1991, AlWaleed bought new preferred shares amounting to about $590 million. These investments increased his stake in Citigroup from 10% to 14.9%. Afterwards, he invested in a variety of companies including Apple Inc., AOL, MCI Inc., Fox News, Motorola and many other media and technology companies. Prior to 2007-2010 financial crises, his shares in Citibank at some point accounted for about half of his assets (Gustin 3). Al Waleed is the owner of Rotana Group, the Arab world's largest entertainmen t corporation. This company is also owned by News Group, which holds 18.97% of its stake. Rotana Group is an expansive pan-Arab media establishment that incorporates Rotana Magazine, a film production company, Rotana Record label, Rotana TV, and seven music channels (Rotana Radio). In 2005, Al Waleed stakes in Apples were disposed. On the down side, Al Waleed has happened to invest in the airline TWA and Eastman Kodak, which have performed quite poorly. He has also invested heavily in the real estate sector, where he has stakes in the Plaza Hotel and the Four Seasons hotel in New York. In December 2011, he invested $300 Million in Twitter, which gave Kingdom holding more than 3% stake in the company (Knickmeyer 5). His personal initiatives AlWaleed has participated in significant philanthropic initiatives that have build bridges between the West and the Islamic world. He strongly believes that promoting harmonious global co-existence is an imperative role of global philanthropy. In his early life, he capitalized on his advantaged upbringing to share his resources with the less-advantaged in the society. When he was growing up and started accumulated wealth, he upheld his believe in giving and sharing his wealth as an obligation to his God. Up to date, he strongly believes in the principle of giving and sharing of wealth with the less privileged. He also made efforts to dismiss the view that Saudi Arabia was not affected by poverty and reached out to poor remote desert hamlets had urban neighborhoods. As a global philanthropist and investor, AlWaleed has upheld long-term relationships with former heads of states, NGOs, academics, religious and business leaders, and political leaders from around the world. AlWaleed is also a staunch religious believer, hard-working, and gifted in multitasking. In this regards, he holds libel political and religious perceptions, and he subscribes to a Global vision of mutual respect and tolerance amongst different states, communi ties and faiths (Peel 5). There are a total of three philanthropic Foundations established by Alwaleed – all committed to supporting humanitarian projects in Lebanon, Saudi Arabia and other parts of the world. These programs are generally