Augmented reality-enabled human-robot collaboration to balance construction waste sorting efficiency and occupational safety and health.

Construction waste sorting (CWS) is highly recommended as a key step for construction waste management. However, current CWS involves humans' manual hand-picking, which poses significant threats to their occupational safety and health (OSH). Robotic sorting promises to change the situation by adopting modern artificial intelligence and automation technologies. However, in practice, it is usually challenging for robots to do an efficient job (e.g., measured by quickness and accuracy) owing to the difficulties in precisely recognizing compositions of the mixed and heterogeneous waste stream. Leveraging augmented reality (AR) as a communication interface, this research aims to develop a human-robot collaboration (HRC) approach to address the dilemmatic balance between CWS efficiency and OSH. Firstly, a model for human-robot collaborative sorting using AR is established. Then, a prototype for the AR-enable collaborative sorting system is developed and evaluated. The experimental results demonstrate that the proposed AR-enabled HRC method can improve the accuracy rate of CWS by 10% and 15% for sorting isolated waste and obscured waste, respectively, when compared to the method without human involvement. Interview results indicate a significant improvement in OSH, especially the reduction of contamination risks and machinery risks. The research lays out a human-robot collaborative paradigm for productive and safe CWS via an immersive and interactive interface like AR.

Translation and cross-cultural adaptation of the risk assessment instrument TilThermometer for a Swedish version - patient handling in the healthcare sector.

BACKGROUND: Work-related musculoskeletal disorders are common in the healthcare sector due to exposure of physical demanding work tasks. Risk assessment is necessary to prevent injuries and promote a safety culture. The TilThermometer has proved to be useful in the Netherlands for assessing healthcare workers' physical exposure to patient handling. The aim of this study was to translate the risk assessment instrument TilThermometer from Dutch to Swedish, perform cross-cultural adaptation, and evaluate its linguistic validity to a Swedish healthcare context. METHODS: Translation and validation process was performed according to following eight steps: 1) Translation (two translators), 2) Synthesis, 3) Back-translation (two back-translators), 4) Synthesis, 5) Linguistic review (one bilingual reviewer), 6) fifteen experts in a panel review according to Delphi-method, 7) Semi-structured interviewing eleven informants, analyzed using qualitative content analysis and step 8) discussion and input from creators of the instrument. RESULTS: A new Swedish version, the TilThermometer, was provided through the translation process (steps 1-5). The linguistic validity and usefulness were confirmed thru step 6 and 7. Consensus was reached in the expert review after two rounds, comments were analyzed and grouped into five groups. The qualitative content analyses of the interviews emerged in to three categories: 1) "User-friendly and understandable instrument", 2) "Further development", and 3) "Important part of the systematic work-environment management". CONCLUSION: In this study, the cross-cultural adaption and translation performed of the Swedish version of TilThermometer assured linguistic validity. This is this first phase before further testing the psychometrics aspects, inter-rater reliability and feasibility of TilThermometer. In the second phase TilThermometer will be implemented and evaluated together with other measures in the Swedish healthcare sector.

Solid waste management in informal urban neighbourhoods. Occupational safety and health practices among tricycle operators in Kumasi, Ghana.

The study examines the nature of activities and assess knowledge on occupational safety and health (OS&H) risks and practices among solid waste collectors in two low-income informal neighbourhoods in Kumasi (Aboabo and Asawase). Using observations and semi-structured interviews with 83 participants and relevant institutions, the findings indicate that informal tricycle waste collectors provided spot-to-spot waste collection using improvised sirens to signal their arrival. Workers generally had low knowledge, expressed less about occupational health risks, and thus adopted less safe work practices. The study however showed significant differences between knowledge of health risks (p < 0.000, R = 0.83) and years of working experience (p < 0.01, R = 0.74) and adoption of safe practices. Workers who had knowledge the associated health risks of the activity and also have been in the activity for more than 2 years were more likely to use at least one PPE/PPC. The study recommends that targeted interventions to mitigate risks and improve the health and safety of workers require effective risk communication. The study concludes that insight into OS&H is important to offer opportunities for better waste management strategies in the informal urban areas.

An Occupational Safety and Health Perspective on Human in Control and AI.

The continuous and rapid development of AI-based systems comes along with an increase in automation of tasks and, therewith, a qualitative shift in opportunities and challenges for occupational safety and health. A fundamental aspect of humane working conditions is the ability to exert influence over different aspects of one's own work. Consequently, stakeholders contribute to the prospect of maintaining the workers' autonomy albeit increasing automation and summarize this aspiration with the human in control principle. Job control has been part of multiple theories and models within the field of occupational psychology. However, most of the models do not include specific technical considerations nor focus on task but rather on job level. That is, they are possibly not able to fully explain specific changes regarding the digitalization of tasks. According to the results of a large-scale study on German workers (DiWaBe), this seems to be the case to some extend: the influence of varying degrees of automation, moderated by perceived autonomy, on workers' wellbeing was not consistent. However, automation is a double-edged sword: on a high level, it can be reversely related to the workers' job control while highly autonomous and reliable systems can also create opportunities for more flexible, impactful and diverse working tasks. Consequently, automation can foster and decrease the factor of job control. Models about the optimal level of automation aim to give guidelines on how the former can be achieved. The results of the DiWaBe study indicate that automation in occupational practice does not always happen in line with these models. Instead, a substantial part of automation happens at the decision-making level, while executive actions remain with the human. From an occupational safety and health perspective, it is therefore crucial to closely monitor and anticipate the implementation of AI in working systems. Constellations where employees are too controlled by technology and are left with a high degree of demands and very limited resources should be avoided. Instead, it would be favorable to use AI as an assistance tool for the employees, helping them to gather and process information and assisting them in decision-making.

Industrial exoskeletons from bench to field: Human-machine interface and user experience in occupational settings and tasks.

Objective: Work-related musculoskeletal disorders (WRMSDs) are considered nowadays the most serious issue in the Occupational Health and Safety field and industrial exoskeletons appear to be a new approach to addressing this medical burden. A systematic review has been carried out to analyze the real-life data of the application of exoskeletons in work settings considering the subjective responses of workers. Methods: The review was registered on PROSPERO. The literature search and its report have been performed following the PRISMA guidelines. A comprehensive literature search was performed in PubMed, EMBASE, Web of Science, and Scopus. Results: Twenty-four original studies were included in the literature review; 42% of the papers retrieved included automobilist industry workers, 17% of the studies evaluated the use of exoskeletons in logistic facilities, and 17% of articles involved healthcare. The remaining six papers recruited farmers, plasterers, wasting collectors, construction workers, and other workmen. All the papers selected tested the use of passive exoskeletons, supporting upper arms or back. Usability, perceived comfort, perceived exertion and fatigue, acceptability and intention to use, occupational safety and health, and job performance and productivity were the main topic analyzed. Conclusion: Exoskeletons are not a fix-all technology, neither for workers nor for job tasks; they tend to show more of their potential in static activities, while in dynamic tasks, they can obstacle regular job performance. Comfort and easiness of use are the key factors influencing the user's experience. More research is needed to determine the most effective and safe ways to implement exoskeleton use in occupational settings. Systematic review registration: https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=275728, identifier CRD42021275728.

Reducing Waste in Healthcare through Occupational Safety and Health Measures: A Study of Manufacturing Industries in Taiwan.

Occupational accidents and diseases cause the loss of valuable workers and lead to high healthcare expenses. Because occupational accidents and diseases are ascribed to inadequate working conditions and work environments, they can be prevented through a well-established occupational safety and health management system, which can ensure workers' health and reduce the expense of healthcare. The study investigated the shortage of work-related occupational safety and health (OSH) measures in medium-sized manufacturing industries. This study mainly focused on qualitative interviews with 15 labor inspectors and 25 business executives from OSH participating to investigate the problems of occupational safety and health in the manufacturing industries in Taiwan. The results of a qualitative study show that the most important problems with OSH management are employers' negligence and workers' insufficient knowledge about OSH management. The research results revealed the following eighteen significant shortcomings of OSH management: employers care mostly about production profit and do not care much for OSH; OSH data collection and OSH planning are not suitable for the workplace; many managers of OSH affairs are not qualified, in terms of their professional or academic backgrounds; and the repair of workplaces' roofs often results in falling accidents, especially before or after a typhoon, because of workers' failure to use safety belts and/or to follow OSH guidelines. In order to address the shortcomings and bottlenecks, the study also presented recommendations for how to implement and revise the OSH Act and how to research and enhance OSH management. The results of this study will not only supply the Ministry of Labor (Taiwan) with data to plan the strategy of OSH management but also will allow employers and workers to improve OSH management in the workplace in order to prevent the occurrence of occupational accidents.

Identifying Farmer Workplace Injury Risk Factors in Ireland Using Farm Accounts Data.

Identification of occupational workplace injury risk factors is dependent on gaining sufficient and reliable data on both injury occurrence and associated workplace factors. Assessing workplace injury risk factors associated with farming is challenged by non-collection, non-reporting, or under-reporting by farmers, particularly those operating family farms in a self-employed manner. A supplementary (or add-on) farm operator (FO) workplace injury survey was undertaken in association with the Irish National Farm Survey (NFS), which is responsible for provision of Irish farm-level data to the European Commission (EC) Farm Accountancy Data Network (FADN). Data from this add-on survey were analyzed in association with farm and socio-economic data routinely collected by NFS as a component of the FADN. The combined data-set was analyzed using both descriptive and inferential statistical techniques including multivariate logistic regression to identify risk factors for occurrence of farm operator workplace injuries (FOWI). FOWI levels were significantly higher on farms where both the FO and their spouse engaged in Off Farm Employment (OFE). More generally, FO injury levels were associated with farm workload and investment levels. The study demonstrates how FADN farm and socio-economic data can be combined with additional FO workplace injury data to identify workplace injury risk factors. The study identifies a risk factor for FOWI occurrence where both FO and spouse engaged in OFE. More generally, it indicates that farm workplace injuries are associated with farm management-related factors.

Condução de ações em Saúde e Segurança do Trabalho em pequenas e médias empresas: análise de três casos / Three case studies on Health and Safety actions in small and medium size enterprises

Construir ações relacionadas à saúde e segurança nas Pequenas e Médias Empresas (PME) não é tarefa fácil, uma vez que essas empresas precisam lidar com o provimento deficitário de informações, poucos recursos disponíveis e metodologias de ação desenvolvidas de acordo com as características das empresas de grande porte. Partindo de estudos de caso e de metodologia qualitativa, o presente estudo teve como objetivo investigar, em três PME do setor industrial, a maneira como ações de saúde e segurança são conduzidas inclusive ações ergonômicas, bem como as justificativas para sua forma de condução,utilizando, para tanto, entrevistas e questionários. A investigação comprovou que aspectos, tais como poucos recursos financeiros, pouco acesso à informação, cultura e o modelo gerencial assumido, exercem grande influência sobre a forma como as ações em Saúde e Segurança do Trabalho (SST) serão conduzidas, sendo que a Ergonomia, quando houver, será caracterizada pela condução perceptiva e informal das mudanças no local de trabalho. Concluiu-se que algumas normas e leis, assim como ferramentas ergonômicas, deveriam ser desenvolvidas e adaptadas às PME. Moldar as ações segundo as necessidades e limitações de cada empresa poderia facilitar sua utilização e assim promover uma melhora das condições de saúde e segurança nas PME.

Building actions related to health and safety in small and medium sizeenterprises (SME) is not an easy task, since these companies need to face lack of information, short availability of resources and methodologies developed for the characteristics of a big company. Based on case study techniques and a qualitative approach, the present study aims at investigating, through interviews and questionnaires, not only the way health and safety interventions including ergonomics - are carried on in three industrial sector SMEs, but also the reasons for their being conducted that way. This investigation led us to conclude that short resource availability, difficulty in accessing information, the company phylosophy and managerial model, greatly influence the way Health and Safety (OSH) actions are conducted in small companies; and changes on work place, if Ergonomics is considered, will be guided by perception and based on informality. The authors conclude that laws, regulations and ergonomic tools to fit SMEs should be created. Adapting these actions accordingly to the needs and limitations of each company would probably make them easier to be followed and, as a consequence, would improve health and safety at SMEs.