Products related to Overlock:
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Professional Overlock Machine Janome 8002d Portable Overlock Machine
Janome 8002D Overlock Machine *Overlock machine that can work with 3 and 4 threads * Adjustable cutting width * Specially designed differential gear system that prevents puckering and stretching * Differential gear ratio: 0.5 - 2.2 mm * Easy and quick threading with threading chart marked with different colors * Numbered thread tensions designed in different colors * The upper blade can be disabled by pressing a single button. * Stitch length: 1-5mm * Stitch width: 3.5 mm (Normal), 5.7 mm (Wide), 2.0 mm (Narrow) * Cutting width adjustment: 3.1 mm - 5.1 mm * Easy to put on and take off feet * Electronic speed adjustable * 1300 revolutions per minute * Perfect overlock stitch on fabrics of all types and thicknesses It is sent with its original box and international warranty certificate. The product is sent in its unopened original box.
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Pioneering Progress : American Science, Technology, and Innovation Policy
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Handbook of Research on Science Teacher Education
This groundbreaking handbook offers a contemporary and thorough review of research relating directly to the preparation, induction, and career long professional learning of K–12 science teachers. Through critical and concise chapters, this volume provides essential insights into science teacher education that range from their learning as individuals to the programs that cultivate their knowledge and practices.Each chapter is a current review of research that depicts the area, and then points to empirically based conclusions or suggestions for science teacher educators or educational researchers.Issues associated with equity are embedded within each chapter.Drawing on the work of over one hundred contributors from across the globe, this handbook has 35 chapters that cover established, emergent, diverse, and pioneering areas of research, including: Research methods and methodologies in science teacher education, including discussions of the purpose of science teacher education research and equitable perspectives; Formal and informal teacher education programs that span from early childhood educators to the complexity of preparation, to the role of informal settings such as museums; Continuous professional learning of science teachers that supports building cultural responsiveness and teacher leadership; Core topics in science teacher education that focus on teacher knowledge, educative curricula, and working with all students; and Emerging areas in science teacher education such as STEM education, global education, and identity development. This comprehensive, in-depth text will be central to the work of science teacher educators, researchers in the field of science education, and all those who work closely with science teachers.
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Handbook of Research on Science Teacher Education
This groundbreaking handbook offers a contemporary and thorough review of research relating directly to the preparation, induction, and career long professional learning of K–12 science teachers. Through critical and concise chapters, this volume provides essential insights into science teacher education that range from their learning as individuals to the programs that cultivate their knowledge and practices.Each chapter is a current review of research that depicts the area, and then points to empirically based conclusions or suggestions for science teacher educators or educational researchers.Issues associated with equity are embedded within each chapter.Drawing on the work of over one hundred contributors from across the globe, this handbook has 35 chapters that cover established, emergent, diverse, and pioneering areas of research, including: Research methods and methodologies in science teacher education, including discussions of the purpose of science teacher education research and equitable perspectives; Formal and informal teacher education programs that span from early childhood educators to the complexity of preparation, to the role of informal settings such as museums; Continuous professional learning of science teachers that supports building cultural responsiveness and teacher leadership; Core topics in science teacher education that focus on teacher knowledge, educative curricula, and working with all students; and Emerging areas in science teacher education such as STEM education, global education, and identity development. This comprehensive, in-depth text will be central to the work of science teacher educators, researchers in the field of science education, and all those who work closely with science teachers.
Price: 250.00 £ | Shipping*: 0.00 £
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Isn't the overlock cutting the fabric?
No, the overlock machine does not cut the fabric. It trims the edges of the fabric while simultaneously stitching them together to prevent fraying. The cutting of the fabric is done by the stationary knife or blades on the machine, which trims off the excess fabric as it is being stitched. This creates a clean and professional finish on the edges of the fabric.
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Doesn't the overlock cut the fabric?
Yes, the overlock machine does cut the fabric as it sews. The machine trims the edge of the fabric and then encases it with thread to prevent fraying. This creates a clean and professional finish on the edge of the fabric. However, it is important to be mindful of the cutting blade and to practice proper technique to avoid cutting the fabric too much or too little.
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What is blocking the Singer Overlock?
The Singer Overlock may be blocked due to a build-up of lint, thread, or fabric debris in the machine's mechanisms. This can prevent the machine from operating smoothly and may cause it to jam or produce uneven stitches. Regular cleaning and maintenance of the Singer Overlock can help prevent blockages and ensure optimal performance.
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Doesn't the overlock stitch the threads together?
No, the overlock stitch does not actually sew the threads together. Instead, it trims the fabric edges and encases them with multiple threads to prevent fraying. This creates a neat and professional finish on the edges of the fabric, but the threads are not stitched together in the traditional sense.
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Professional Overlock Machine Singer 14 SH754 Color Guide For Overlock Threading Motor Speed Adjustment With Pedal Free Arm Sewing
Singer 14SH754 Color Guide For Overlock Threading Motor Speed Adjustment With Pedal Free Arm Sewing Built-In Stitches (4) Choose from a variety of stitches for basic sewing, decorative sewing, and more Adjustable Stitch Length Customize the appearance of a stitch by increasing or decreasing the distance between stitches. Use this function for various stitch techniques like applique, basting and more. Adjustable Stitch Width (3.0mm - 6.7mm) The size of the stitch from left to right is adjustable, to make the stitch sew narrower or wider as desired. Color Coded Threading System Threading path for each thread is indicated with a specific color to simplify the threading process. Handy reference diagrams are also included right on the machine. Thread Capability Choose from seams finishes, both finishes and decorative edges thanks to a variety of stitch combinations available. Differential Feed Controls the ratio of movement between the front and back sections of the feed teeth. Use this to help remove distortion from seams in stretchy fabrics or puckers from seams in lightweight or silky fabrics. Built-In Rolled Hem Just slide a lever to easily convert the machine for rolled hem sewing - no need to change stitch plate Heavy Duty Metal Frame The machine's interior frame is metal, providing long lasting durability High Speed Stitching (1300/min) Professional speed for faster results. Speed Control (Digital) Set the maximum sewing speed of the machine LED Lighting Long lasting LED lighting provides bright illumination and stays cool to the touch Free Arm Slide off the Removable Storage Compartment for access to the free arm, making it easy to sew trouser hems, sleeve cuffs and other smaller or tubular projects Extra High Presser Foot Lifter Presser foot has an extra high position available to accommodate thick fabrics. Volts (220) WIDTH: 38 cm LENGTH: 32 cm WEIGHT: 8 kg Color guide for threading Flexible fabric (combed, jersey) overlock with differential feeding system, Differential feeding system is used when overlocking stretchy fabrics such as combed cotton and jersey. Fabrics can be stretched optionally or overlocked without stretching When 3-thread overlock fabric is cut 3 threads can be used in the edge overlock of the fabrics with the least thread throwing on the edges. Reinforcing the stitching steps in the stitch where the 4 threads are attached while overlock utility stitching Ability to overlock circular fabrics closed with stitches such as trouser legs and shirt sleeves with free-arm stitching. Edge on thin fabrics being able to curl and overlock thin fabric edge, when overlocking chiffon tulle, scarf edges, thread tensions should be adjusted appropriately. Adjustable stitch width (3 mm – 6.7 mm), stitch pitch - Adjustment of overlock stitch width steps Motor speed adjustment by pedal - When overlocking Providing more precise speed adjustment Movable cloth cutting knife - If desired, cloth cutting knife can be canceled and overlock is made without knife Ability to sew beads and sequins on fabric edges and clothing ends with optional foot A special bead foot can be attached and both overlock and sequins or beads can be sewn on fabric ends It is sent with its original box and international warranty certificate. The product is sent in its unopened original box.
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Handbook of Research on Science Education : Volume III
Volume III of this landmark synthesis of research offers a comprehensive, state-of-the-art survey highlighting new and emerging research perspectives in science education. Building on the foundations set in Volumes I and II, Volume III provides a globally minded, up-to-the-minute survey of the science education research community and represents the diversity of the field.Each chapter has been updated with new research and new content, and Volume III has been further developed to include new and expanded coverage on astronomy and space education, epistemic practices related to socioscientific issues,design-based research, interdisciplinary and STEM education, inclusive science education, and the global impact of nature of science and scientific inquiry literacy. As with the previous volumes, Volume III is organized around six themes: theory and methods of science education research; science learning; diversity and equity; science teaching; curriculum and assessment; and science teacher education.Each chapter presents an integrative review of the research on the topic it addresses, pulling together the existing research, working to understand historical trends and patterns in that body of scholarship, describing how the issue is conceptualized within the literature, how methods and theories have shaped the outcomes of the research, and where the strengths, weaknesses, and gaps are in the literature. Providing guidance to science education faculty, scholars, and graduate students, and pointing towards future directions of the field, Handbook of Research on Science Education Research, Volume III offers an essential resource to all members of the science education community.
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Professional Overlock Machine Singer Elite SE017 Color Guide For Overlock Threading 3 and 4 gear motor speed regulation free arm
Singer SE017 Elite 4 thread overlock machine -4 thread working possibilities -The advanced differential system prevents fabric flexing and shrinkage -The thread paths are illuminated by the LED light system -Color marked thread paths -Extra presser foot lifting distance -Adjustable presser foot pressure -Adjustable cutting width -Extra high speed (1300rpm) -Adjustable thread tension setting (tension) -Thick fabric sewing feature -Extra drilling power -Adjustable stitch length - Built-in attachable garbage bag -Blind stitch, rounded hemming stitch, flatlock stitch to practice various sewing techniques -Free sleeve sewing trousers petti, sleeve as circular areas sealed with stitching to overlock shirts -Optional bead foot edges with the ability to sew beads -Optional crimping presser foot with shear line hemming to make -Optional to print trotter and hem with concealed presser foot -Optional shir to shir with column -Built-in accessories; Needle set, small screwdriver, tweezers, two thread converters, powder brush, spare lower blade, garbage bag Opportunity to work with up to 4 threads Improved differential system that prevents fabrics from stretching and puckering LED light system that illuminates the thread paths Colored marked threading paths Extra presser foot lifting distance Adjustable presser foot pressure Adjustable cutting width Extra high sewing speed (1300 cycles) Adjustable thread tension setting (tension) ) Feature of sewing thick fabric Extra punching power Adjustable stitch length Attachable built-in garbage bag Ability to apply various sewing techniques such as blind stitching, rounded hemming, flatlock stitching Ability to overlock circular areas closed with stitches such as trouser legs and shirt sleeves with free-arm stitching Optional beading foot Ability to sew beads to the edges with Optional Crimping Foot. Optional hemming foot. Optional both and and pressure. Optional shrinking foot. included accessories; needle set, small screwdriver, tweezers, two thread converters, Dust brush, spare lower blade, garbage bag It is sent with its original box and international warranty certificate. The product is sent in its unopened original box.
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Gender Differences in Technology and Innovation Management : Insights from Experimental Research
Even though the number of working women has steadily increased over the last few years, women are still significantly under-represented in STEM activities (i.e. mathematics, informatics, science and technology). In order to eliminate this under-representation, numerous education policies and corporate initiatives, particularly in the recent past, have been aimed at increasing women's enthusiasm for STEM activities and professions.According to the latest surveys, however, it is clear that these efforts have not yet led to the desired success.Compared to their male counterparts, women continue to do fewer STEM activities. One possible reason for this is that relatively little is yet known about the concrete impact of the above education policies on working with innovation and technology: What are the gender differences between women and men?Is it enough to recognize these differences, or should these differences ideally not only be recognized, but also treated appropriately or even encouraged? This anthology deals with current topics in technology and innovation management against the background of these and other gender-relevant aspects.Empirical analyses and experiments in collaboration with companies from various sectors provide a sound scientific basis on which new results and findings are presented: How do women and men deal with creativity and competition?How are technologies applied and how can differences in access to technology be deduced? Answers to these and other questions help decision-makers in politics and business to proactively use the differences between women and men to motivate women to work in the STEM field and to strengthen them by acknowledging existing differences.
Price: 96.50 £ | Shipping*: 0.00 £
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What experiences are sought with overlock machines?
Overlock machines are sought for their ability to create professional-looking, finished edges on fabric, as well as for their speed and efficiency in sewing and trimming seams. They are commonly used in garment construction, especially for knit fabrics, to prevent fraying and unraveling. Overlock machines are also sought for their versatility in creating decorative stitches and adding a professional touch to sewing projects. Overall, the experiences sought with overlock machines include achieving clean, durable, and professional-looking seam finishes.
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Which sewing machine has an overlock stitch?
An overlock stitch is a type of stitch commonly found on serger machines, also known as overlock machines. These machines are specifically designed for creating overlock stitches, which are used to finish raw edges, prevent fraying, and create a professional-looking seam. While some traditional sewing machines may have an overlock stitch option, serger machines are the most common type of machine that features this stitch.
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Does the overlock not link the threads?
Yes, the overlock machine does link the threads. It uses multiple threads to create a strong and secure seam that prevents fraying of the fabric. The overlock stitch also trims the seam allowance as it sews, giving a clean and professional finish to the edges of the fabric.
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How can seams be finished without an overlock?
Seams can be finished without an overlock by using alternative methods such as zigzag stitching, pinking shears, or a French seam. Zigzag stitching can be done along the raw edge of the fabric to prevent fraying. Pinking shears can be used to create a zigzag edge on the fabric, which also helps to prevent fraying. French seams involve sewing the fabric with wrong sides together first, then trimming the seam allowance and sewing with right sides together to encase the raw edges.
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