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Adaptation of permanent makeup methods for left-handed specialists: workplace ergonomics and shading features
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Bibliographic description of the article for the citation:

. Adaptation of permanent makeup methods for left-handed specialists: workplace ergonomics and shading features//Science online: International Scientific e-zine - 2025. - №5. - https://nauka-online.com/en/publications/other/2025/5/03-32/

Annotation: The article contains a study of the professional aspects of the work with permanent makeup artists concerning left-handed individuals. An analysis of ergonomic and educational problems left-handed workers come up against will be conducted in this study, along with recommendations for adapting workplaces and training methods to enhance their professional skills. The urgency of this work lies in the creation of conditions for the successful professional activities of left-handed craftsmen, since most methods and equipment were traditionally oriented towards right-handers, which added additional difficulties in both the process of training and work. The novelty of the study lies in a systematic consideration of biomechanical characteristics of left-handed specialists related to permanent makeup, as well as suggesting practical amendments both to the workspace and training methods that can help improve the quality of work and reduce physical stress. The major conclusions are that left-handed experts find it tough to arrange the place of work and also to learn methods intended for right-handers, which requires personal adjustment and change of regular techniques. This information will help permanent makeup artists, teachers, and training pros, along with beauty salon owners, who want to make a welcoming work setting for left-handed workers.

Keywords: adaptation of the workspace carpal tunnel individualized methods left-handed specialists occupational diseases permanent make-up shading training of left-handed specialists workplace ergonomics
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Virtual scientific and technical support for startups
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. Virtual scientific and technical support for startups//Science online: International Scientific e-zine - 2025. - №4. - https://nauka-online.com/en/publications/other/2025/4/16-10/

Annotation: Even the most daring and seemingly brilliant commercial and technological idea requires deep professional verification before becoming the subject of an innovative project. Therefore, at the stages of primary decision-making, a clear and feasible methodology for deep and multidisciplinary search in available arrays of information is required. As a rule, the search methodology and, most importantly, the methods for evaluating search results require much deeper knowledge in specific areas of science and technology, and at the most modern level. Those partners in future projects who, before this project, had experience and practice in real invention, of course, can use the accumulated experience of patent search, but such experience very quickly becomes obsolete and each new direction in the development of technology immediately requires an adequate response in assessing everything new, possibly contained in the declared idea of a new product. In order to clearly formulate and set the task for the project working group, it is necessary, taking into account the dynamics of development of the technology sector to which the new project relates, to develop a survey analytical matrix document in which the main search operations are aimed at analytical verification of the reality of distinctive features and positive effects precisely at the junction of classical exact disciplines It is known from the experience of heuristic storms that the most successful and feasible ideas arise at the intersection of known disciplines and are characterized by multidimensional intellectual diffusion into the layers of classical science and technology.

Keywords: Adaptation of modern machine design technologies Algorithmic component of the startup project Dynamics of development of the economic sector Methods of proving and demonstrating the advantages of a new technology and an innovative product implemented on its basis Parameters of technical characteristics Reliability of modern multifunctional systems startup Startup project The idea of optimization and optimization of the main product of the project
Categories: Other
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Hypertrophy vs. strength: how to structure the training process
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and . Hypertrophy vs. strength: how to structure the training process//Science online: International Scientific e-zine - 2023. - №6. - https://nauka-online.com/en/publications/other/2023/6/10-24/

Annotation: Background: The study explores physiological differences between muscle hypertrophy and strength adaptation. Methods: Literature review, comparative analysis of training variables, and load modeling. Result: Key parameters (volume, intensity, frequency) were identified. Conclusion: Hypertrophy requires moderate intensity with high volume, while strength relies on maximal intensity. Periodization enhances outcomes.

Keywords: hypertrophy intensity periodization strength training volume
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Hair color chemistry: how pH affects structure and quality
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. Hair color chemistry: how pH affects structure and quality//Science online: International Scientific e-zine - 2024. - №3. - https://nauka-online.com/en/publications/other/2024/3/03-31/

Annotation: Hair coloring is a complex biochemical process in which the acid-base balance (pH) plays a key role. The degree of cuticle opening, the rate of dye penetration, the stability of the pigment and the general condition of the hair after the procedure depend on the pH level. This article examines in detail how different pH levels affect the hair structure, the mechanism of action of different types of dyes and the quality of the final result. Research shows that highly alkaline formulations (pH 9–11) provide deep pigment penetration, but can damage the keratin structure. At the same time, slightly acidic dyes (pH 3–6) act more gently, but provide a less lasting effect. Optimum pH values vary depending on the type of dye and the desired result. Particular attention is paid to modern developments in the field of gentle coloring compositions that minimize damage without losing effectiveness. Methods of hair restoration after coloring are also considered, including the use of acid conditioners and protective agents.

Keywords: cosmetic chemistry principles fundamental hair science hair damage mechanisms modern hair care technologies pH effects on hair structure
Categories: Other
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