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- PublicationMathematical model to upcycle end-of-roll leftover fabrics in apparel manufacturing(Sage, 2024-06) İşeri, Ali; Kılılaslan, Recep; 135066This study addresses the problem of end-of-roll leftover fabrics originating after the production of baby/child apparel. The ineffective management of these leftovers results in excess inventory, occupies storage space, and imposes economic and environmental loads. To address this challenge, a novel mathematical modeling approach is proposed. The model maximizes the upcycling of leftovers by incorporating these into the manufacturing of garments while adhering to marketing, production, and ordering constraints. This model also introduces the feasibility of ordering new fabrics with a penalty, as defined by the decision makers, to increase utilization. The model was tested using actual end-of-roll leftover data. The upcycling utilization of leftovers was calculated to be between 57% and 87%. Notably, at an upcycling rate of 58%, 96% of the utilized fabrics were sourced from leftovers. The case study results validate the model efficacy and provide insights into leftover-fabric management.
- ItemValue education in elementary ages(IGI Global, 2023) Sayan, Hamiyet; 140851; Demircioğlu, AytekinValue education is the teaching and learning of values as empathy, respect, responsibility, etc. in schools. It aims to feed moral development and ethical advances to array students and equip them with the skills to navigate complex social situation. As an important part of education, value education is interested in developing moral values and ethics of the students. It also helps these students develop understanding and evaluating of the importance of these values like respect, honesty, empathy, and the like. They understand how to manage and live satisfactory quality lives.
