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"Assembly"
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Mexican women in American factories : free trade and exploitation on the border
Prior to the millennium, economists and policy makers argued that free trade between the United States and Mexico would benefit both Americans and Mexicans. They believed that NAFTA would be a “win-win” proposition that would offer U.S. companies new markets for their products and Mexicans the hope of living in a more developed country with the modern conveniences of wealthier nations. Blending rigorous economic and statistical analysis with concern for the people affected, Mexican Women in American Factories offers the first assessment of whether NAFTA has fulfilled these expectations by examining its socioeconomic impact on workers in a Mexican border town. Carolyn Tuttle led a group that interviewed 620 women maquila workers in Nogales, Sonora, Mexico. The responses from this representative sample refute many of the hopeful predictions made by scholars before NAFTA and reveal instead that little has improved for maquila workers. The women’s stories make it plain that free trade has created more low-paying jobs in sweatshops where workers are exploited. Families of maquila workers live in one- or two-room houses with no running water, no drainage, and no heat. The multinational companies who operate the maquilas consistently break Mexican labor laws by requiring women to work more than nine hours a day, six days a week, without medical benefits, while the minimum wage they pay workers is insufficient to feed their families. These findings will make a crucial contribution to debates over free trade, CAFTA-DR, and the impact of globalization.
eBook
Trait-based inference of ecological network assembly
The study of ecological networks has progressively evolved from a mostly descriptive science to one that attempts to elucidate the processes governing the emerging structure of multitrophic communities. To move forward, we propose a conceptual framework using trait-based inference of ecological processes to improve our understanding of network assembly and our ability to predict network reassembly amid global change. The framework formalizes the view that network assembly is governed by processes shaping the composition of resource and consumer communities within trophic levels and those dictating species’ interactions between trophic levels. To illustrate the framework and show its applicability, we (1) use simulations to explore network structures emerging from the interactions of these assembly processes, (2) develop a null model approach to infer the processes underlying network assembly from observational data, and (3) use the null model approach to quantify the relative influence of bottom-up (resource-driven) and top-down (consumer-driven) assembly modes on plant–frugivore networks along an elevational gradient. Simulations suggest that assembly processes governing the formation of pairwise interactions have a greater influence on network structure than those governing the composition of communities within trophic levels. Our case study further shows that the mode of network assembly along the gradient is mainly bottom-up controlled, suggesting that the filtering of plant traits has a larger effect on network structure relative to the filtering of frugivore traits. Combined with increasingly available trait and interaction data, the framework provides a timely toolbox to infer assembly processes operating within and between trophic levels and to test competing hypotheses about the assembly mode of resource–consumer networks along environmental gradients and among biogeographic regions. It is a step toward a more process-based network ecology and complete integration of multitrophic interactions in the prediction of future biodiversity
Journal Article
Every human has rights : a photographic declaration for kids based on the United Nations Universal Declaration of Human Rights
Poetry of the sixteen winners of the ePals Human Rights Writing Contest reflects the U.N. Universal Declaration of Human Rights.
Book
Assembly systems in Industry 4.0 era: a road map to understand Assembly 4.0
The 4th industrial revolution (Industry 4.0, I4.0) is based upon the penetration of many new technologies to the industrial world. These technologies are posed to fundamentally change assembly lines around the world. Assembly systems transformed by I4.0 technology integration are referred to here as Assembly 4.0 (A4.0). While most I4.0 new technologies are known, and their integration into shop floors is ongoing or imminent, there is a gap between this knowledge and understanding the form and the impact of their full implementation in assembly systems. The path from the new technological abilities to improved productivity and profitability has not been well understood and has some missing parts. This paper strives to close a significant part of this gap by creating a road map to understand and explore the impact of typical I4.0 new technologies on A4.0 systems. In particular, the paper explores three impact levels: strategic, tactical, and operational. On the strategic level, we explore aspects related to the design of the product, process, and the assembly system. Additionally, the paper elaborates on likely changes in assembly design aspects, due to the flexibility and capabilities that these new technologies will bring. Strategic design also deals with planning and realizing the potential of interactions between sub-assembly lines, kitting lines, and the main assembly lines. On the tactical level, we explore the impact of policies and methodologies in planning assembly lines. Finally, on the operational level, we explore how these new capabilities may affect part routing and scheduling including cases of disruptions and machine failures. We qualitatively assess the impact on performance in terms of overall flow time and ability to handle a wide variety of end products. We point out the cases where clear performance improvement is expected due to the integration of the new technologies. We conclude by identifying research opportunities and challenges for advanced assembly systems.
Journal Article
Accurate long-read de novo assembly evaluation with Inspector
Long-read de novo genome assembly continues to advance rapidly. However, there is a lack of effective tools to accurately evaluate the assembly results, especially for structural errors. We present Inspector, a reference-free long-read de novo assembly evaluator which faithfully reports types of errors and their precise locations. Notably, Inspector can correct the assembly errors based on consensus sequences derived from raw reads covering erroneous regions. Based on in silico and long-read assembly results from multiple long-read data and assemblers, we demonstrate that in addition to providing generic metrics, Inspector can accurately identify both large-scale and small-scale assembly errors.
Journal Article
Fires on the Border
The history of themaquiladorashas been punctuated by workers' organized resistance to abysmal working and living conditions. Over years of involvement in such movements, Rosemary Hennessy was struck by an elusive but significant feature of these struggles: the extent to which organizing is driven by attachments of affection and antagonism, belief, betrayal, and identification.
What precisely is the \"affective\" dimension of organizing for justice? Are affects and emotions the same? And how can their value be calculated?Fires on the Bordertakes up these questions of labor and community organizing-its \"affect-culture\"-on Mexico's northern border from the early 1970s to the present day. Through these campaigns, Hennessy illuminates the attachments and identifications that motivate people to act on behalf of one another and that bind them to a common cause. The book's unsettling, even jarring, narratives bring together empirical and ethnographic accounts-of specific campaigns, the untold stories of gay and lesbian organizers, love and utopian longing-in concert with materialist theories of affect and the critical good sense of Mexican organizers.
Teasing out the integration of affect-culture in economic relations and cultural processes, Hennessy provides evidence that sexuality and gender as strong affect attractors are incorporated in the harvesting of surplus labor. At the same time, workers' testimonies confirm that the capacities for bonding and affective attachment, far from being entirely at the service of capital, are at the very heart of social movements devoted to sustaining life.
eBook