Search results

Optimizing manufacturing processes addresses operational challenges and yields significant benefits across the business spectrum. This study aims to comprehensively analyze a manufacturing process through value stream mapping (VSM), aiming to streamline operations, reduce production lead times and minimize work-in-process (WIP) inventory levels. These improvements directly enhance competitiveness, customer satisfaction and overall business success, enabling a swift response to market demands, timely delivery of high-quality products and cost-effectiveness.

The approach integrates current and future-state VSM concepts with Lean tools across four stages: problem definition, current-state VSM analysis, future-state VSM design and improvement implementation. A team assembled to improve the manufacturing process for electronic devices has successfully implemented this approach.

Implemented improvements significantly reduced WIP inventory (88.8% equivalent to $572,171 annually) and production lead time (from 28.26 to 3.21 days), enhancing operational flexibility and competitiveness. Streamlined processes led to a 13% decrease in cycle time and a notable reduction in daily rework (63.6%), amounting to $118,127 annually. Labor reduction (45.5%) yielded annual savings of approximately $594,000, with affected individuals successfully transitioning to other roles, highlighting the effectiveness of lean methodologies without job cuts.

This initiative exemplifies the effective use of VSM and Lean tools in optimizing an electronic device manufacturing operation that produces 43 products across various processes. By leveraging these methodologies, this research offers valuable insights into enhancing production efficiency, resulting in shorter production lead times, reduced cycle times and significant decreases in WIP inventory and rework.

The purpose of this paper is twofold: first, a case study on applying lean principles in manufacturing operations to redesign and optimize an electronic device assembly process and its impact on performance and second, introducing cardboard prototyping as a Kaizen tool offering a novel approach to testing and simulating improvement scenarios.

The study employs value stream mapping, root cause analysis, and brainstorming tools to identify root causes of poor performance, followed by deploying a Kaizen event to redesign and optimize an electronic device assembly process. Using physical models, bottlenecks and opportunities for improvement were identified by the Kaizen approach at the workstations and assembly lines, enabling the testing of various scenarios and ideas. Changes in lead times, throughput, work in process inventory and assembly performance were analyzed and documented.

Pre- and post-improvement measures are provided to demonstrate the impact of the Kaizen event on the performance of the assembly cell. The study reveals that implementing lean tools and techniques reduced costs and increased throughput by reducing assembly cycle times, manufacturing lead time, space utilization, labor overtime and work-in-process inventory requirements.

This paper adds a new dimension to applying the Kaizen methodology in manufacturing processes by introducing cardboard prototyping, which offers a novel way of testing and simulating different scenarios for improvement. The paper describes the process implementation in detail, including the techniques and data utilized to improve the process.

The purpose of this study is to explore the multifaceted challenge of managing construction and demolition waste within the context of the Jordan construction industry.

Using data sourced through desk research, interviews and questionnaires, this study examines the principal causes of increased volumes of construction and demolition waste, as well as the obstacles to both developing and implementing better waste management strategies.

This study identifies multiple causes of issues related to waste management and barriers to developing and implementing solutions and concludes by recommending a holistic approach to this multifaceted problem. A lack of adequate construction waste management infrastructure, regarding both physical facilities and regulations, was highlighted as the key challenge.

The accumulation of waste that results from construction and demolition activity, and activities characterized by unsustainable utilization of raw materials and inefficiency are a global issue. The challenge of effectively managing construction waste is importantly tied to factors including the availability of the necessary infrastructure; economic conditions; and the scarcity of skilled laborers, among others.

This study focuses on the Jordan construction industry, which is so far not very well researched. By building upon previous studies, this study supports further research to illuminate the causes of waste and the barriers to better management, an issue that is not only a pillar of progress at the country level but also key for a sustainable development in general.

The purpose of this paper is to identify and theoretically explain the general barriers to adopting lean construction practices in the construction industry regardless of the country or the company size or specialization, and to suggest future research studies in this field.

Systematic literature review was conducted to identify and explain the list of the barriers from scientific sources that were published before May 2018.

Twenty-nine barriers were identified and explained, and a proposed model to classify the sources of the barriers was chosen. Seventeen barriers were classified as internal environment-related barriers, five were labor-related, three were materials-related and four were exogenous barriers. In addition, some directions for the future research studies were suggested.

The barriers that are related to the advanced levels of lean construction (LC) implementations, to a specific location or to a specific LC tool were excluded.

This review will help to increase the understanding of the new concept of LC and might help to encourage the adoption of LC practices. Also, it might be useful for identifying the strategies to achieve successful application of these practices.

Cervical cancer (CC) is one of the most important health issues faced by women worldwide. The purpose of this study is to identify Jordanian women’s knowledge, barriers and measures pertaining to risk factors and screening choices of CC (Pap smear tests).

This study applied a cross sectional design by collecting data from a convenient sample of 200 women between 20 and 70 years of age in health and public centers in Jordan. Data was then analyzed using the descriptive statistical tools of SPSS, version 21.

The findings revealed that 55.5% of the participants had no information about the Pap smear, and 75% did not know the risk factors. Moreover, 50% of the sample did not know where to take the test, and 50% reported a lack of encouragement from the husband to undertake the test. More than half of the participants (56.5%) expressed fear that cervical screening would be a painful examination even though they reported not having any previous experience with the test.

Based on these findings, public education about CC screening is essential, including advertising and a campaign similar to the breast cancer awareness programs in Jordan, as a way of encouraging early screening to improve the health of women.

This study aims to assess the competency gap among construction industry professionals concerning the competencies required for identifying construction activities that produce recyclable materials. Accordingly, the study objectives are threefold: to identify key competencies, analyze the disparity between the level of importance and level of competence for each competency, and quantify the criticality of the competency gaps.

A systematic literature review was conducted to identify and categorize 20 competencies into knowledge, skills, and abilities. The competencies formed the basis for a questionnaire survey distributed to construction industry professionals. 120 valid responses were collected and analyzed using mean and normalized values, Wilcoxon signed-ranks test, and competency gap analysis.

The findings highlight eight key competencies: ability to prepare sustainable designs, skills in trading construction waste materials, skills in lean construction techniques, skills in designing out waste in construction activities, knowledge of diagnosing construction waste generation, knowledge of construction-related waste design, knowledge of the practice of sustainable facilities management, and knowledge on the sustainable characteristics of construction activities. Despite their importance, critical competency gaps exist among these key competencies and must be addressed.

This study equips decision-makers with insights to manage natural resources efficiently, offers practitioners a list of key competencies for sustainable project management, and provides researchers with a solid foundation for further investigations to advance sustainability in construction.

Research on sentiment analysis were mostly conducted on product and services, resulting in scarcity of studies focusing on social issues, which may require different mechanisms due to the nature of the issue itself. This paper aims to address this gap by developing an enhanced lexicon-based approach.

An enhanced lexicon-based approach was employed using General Inquirer, incorporated with multi-level grammatical dependencies and the role of verb. Data on illegal immigration were gathered from Twitter for a period of three months, resulting in 694,141 tweets. Of these, 2,500 tweets were segregated into two datasets for evaluation purposes after filtering and pre-processing.

The enhanced approach outperformed ten online sentiment analysis tools with an overall accuracy of 81.4 and 82.3% for dataset 1 and 2, respectively as opposed to ten other sentiment analysis tools.

The study is novel in the sense that data pertaining to a social issue were used instead of products and services, which require different mechanism due to the nature of the issue itself.

This paper aims to compare and contrast the concept of conventional futures contract from the Islamic law of contract perspectives. The underlying theory and practice of Islamic finance is based on the principles of Islamic law of contract. Although the necessity of derivative instruments such as the case with futures contract is essential for developments in Islamic finance, the permissibility of using these instruments still remains a debatable issue.

The paper discusses arguments for and against using derivative instruments as in futures, for example, in light with the Qur’an and Sunnah (the Prophet’s traditions), as well as the views of classical scholars, jurists and contemporary researchers. Arguments for and against are analysed systematically to derive a logical conclusion.

The study finds that majority scholars consider futures contracts as non-compliant with the Islamic law due to the fact that selling something that does not exist, deferment in the both counter values, gharar or ambiguity and excessive risk taking, pure speculation and sale of one debt for another.

The study focuses narrowly on conventional futures contract. Analysing other financial derivative contracts could be a future research endeavour.

The study has so far found the verdict of impermissibility of conventional futures contract in its current form as has been argued by majority scholars in the premise that they do not comply with the Islamic law. Policymakers and industry practitioners need to take this opinion of majority scholars while developing new Islamic financial derivatives.

To the best of the author's knowledge, the present research is the first attempt so far that explained the validity of conventional futures by analysing arguments of classical and contemporary jurists, scholars and researchers.

This study aims to investigate the relationship between management support, quality infrastructure, staff training and the effectiveness of quality enhancement cells (QECs) established in higher education institutions.

Data were acquired via a structured questionnaire dispatched to faculty members across 12 public and private universities, primarily situated in Punjab, Pakistan. Among the 200 questionnaires distributed, 180 were retrieved and 140 were deemed valid. The proposed relationships were examined using SPSS–25 and PLS–SEM.

The results show a positive and significant relationship between management support, quality infrastructure and staff training with QECs' effectiveness. The study also highlights that the effectiveness of QECs is “Good” in only two of the 12 universities, while in most universities it is “Barely Acceptable”. Furthermore, QECs' effectiveness is slightly better in public universities compared to private institutions.

The study employs convenience sampling and a cross-sectional approach, focusing on faculty members from 12 universities, primarily in Punjab, Pakistan. To enhance future research, larger samples and probability-based sampling should be considered, while involving quality managers and students for a broader perspective.

The research suggests policymakers and university leaders should strengthen their support by providing resources, quality infrastructure and training for academic and administrative staff. This would enhance the effectiveness of QECs and improve the overall quality of education in both public and private universities.

This study contributes to the literature on quality assurance in higher education by emphasizing the significance of QECs concerning management support, quality infrastructure and staff training – areas that are often overlooked in Pakistani universities.

This study explores the practical application of the Shariah screening process and how it could be enhanced by converging the same with the ethical screening of stocks.

This study adopts a qualitative research methodology by combining the qualitative descriptive approach and content analysis.

The findings of this research suggest that there is scope to converge ethical screening of stocks with Shariah Screening as the lex loci applicable to Shariah screening is derived from Shariah, which considers ethics as part of determining its rules.

The data from this study reveal several practical applications, the ultimate goal of which is to help the policymakers and stakeholders understand the relevance of the Shariah screening of stocks and get a streamlined screening process, paving the way to enhance the same using ethical screening criteria to develop its function to become much more relevant irrespective of the denomination of faiths.

This is original research, which is expected to contribute to understanding the extent to which Shariah screening can be enhanced by integrating the ethical stock screening dimension to it.