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A safe and healthy environment is crucial to minimizing accidents and occupational diseases, and this is where Occupational Health and Safety (OHS) comes in. Workers in the informal sector, such as online drivers, are more likely to experience musculoskeletal problems, especially low back pain (LBP), because they frequently lack proper occupational protection and health services. LBP is a complaint of lower back pain that can be brought on by extended periods of static sitting, bad posture, and personal characteristics like body mass index, smoking, and length of service. The purpose of this program is to educate online drivers in Malang City, East Java, and help them avoid LBP. The risk of LBP can be decreased in part by promoting physical activity and education. One recommended intervention is the William Flexion Exercise (WFE), an exercise aimed at improving posture, increasing muscle strength and flexibility, and reducing lower back pain. Implementing WFE education and training for online car drivers is anticipated to strengthen OHS awareness and reduce the incidence of LBP among informal sector workers.

Occupational Health and Safety (OHS) is a systematic effort aimed at protecting workers from the risks of accidents and work-related diseases. The implementation of OHS integrated with risk management helps identify, evaluate, and control potential hazards effectively in the workplace. This study was conducted at PT. Sarana Sampit Mentaya Utama, Balikpapan Branch, a company engaged in asphalt production. The main objectives of this research were to identify potential hazards, determine appropriate control measures, and evaluate the role of the Job Safety Analysis (JSA) method in supporting OHS. The research method used is JSA, which involves identifying each work step, determining the likelihood and severity of risks, and calculating the risk rating to assess the level of risk. The results showed that there are three potential hazards with a medium-risk category, namely in the activities of raw material mixing, quality control, and asphalt distribution. Additionally, three potential hazards with a low-risk category were found in the processes of raw material weighing, raw material transfer, and pump line valve opening. Recommended control measures to reduce risks include the use of appropriate personal protective equipment (PPE) for each task, improving work facilities and infrastructure, and implementing proper load lifting procedures. The application of JSA has proven effective in raising the company's awareness of potential risks in the workplace. This has led to the implementation of better preventive measures, ultimately contributing to the creation of a safer, healthier, and more productive work environment. Therefore, the integration of OHS with risk management at PT. Sarana Sampit Mentaya Utama plays a significant role in safeguarding the safety and well-being of workers.

Occupational Safety and Health (K3) is an important element in modern hospital management that plays a role in creating a safe and healthy work environment. The type of research used is quantitative with a cross sectional approach. The population and research sample totalled 66 respondents. The sampling technique used was total sampling. The data analysis used was univariate and bivariate analysis analysed using the spearman rank test to see the correlation between the independent variable and the dependent variable. The results of univariate analysis on employee awareness variables regarding K3 show that 64 people (96%) have high awareness, 2 people (4%) have moderate awareness. While the variable work accident 49 people (74%) low work accident, 17 people (26%) moderate work accident. The statistical results of bivariate analysis show that the P-value is 0.007 <0.05 and the correlation value is 0.329. This result states that there is a less strong relationship between employee awareness of OHS and work accidents.

The port terminal serves as a place for berthing, storing goods, and loading and unloading, which has the potential to jeopardize work safety. The implementation of Occupational Health and Safety (OHS) protects workers from workplace hazards. However, the lack of awareness of workers at the port in wearing Personal Protective Equipment (PPE) while working in the port area is still a problem. This study aims to identify the risks, impacts and efforts to overcome work accidents in the ship berthing process at Tanjung Perak Port Surabaya. Given the importance of using PPE in doing work at the port, work safety is a crucial aspect that must be considered. Using the HAZOPS (Hazard and Operability Study) method, this study identifies potential hazards and provides mitigation actions needed to reduce the risk of accidents in the ship berthing process. This study used purposive sampling technique with a total of 40 officers in the patrol and enforcement section at the Tanjung Perak Surabaya Syahbandar and Main Port Authority (KSOP) Office. Data collection methods are direct observation, documentation, and questionnaires. The results showed that the main factors causing work accidents were equipment failure, human error, and the environment. The highest percentage of accidents is caused by equipment failure, with 63% at the extreme level and 20% at the high level. Therefore, it is necessary to carry out risk control or risk mitigation in the form of routine maintenance on work tools at the port.

Occupational Health and Safety (K3) is a crucial element in ensuring worker welfare and the smooth running of company operations. Even though SMEs (Small and Medium Enterprises) play an important role in the economy, the work accident rate in this sector is still high compared to large companies. Limited resources and lack of management support are often the main obstacles in implementing an effective K3 management system. Objective: This literature study aims to analyze the effectiveness of the K3 management system in SMEs, identify the challenges faced, and provide recommendations for improving the implementation of K3 in this sector. Methodology: This study uses a literature study approach by collecting and analyzing various academic sources including journal articles, government reports and relevant books. The literature search focused on academic databases such as Google Scholar, ScienceDirect, and ProQuest, using keywords such as "OHS management system", "SME", "OHS effectiveness", and "work safety". Results: Findings show that implementing a comprehensive K3 management system in SMEs can reduce work accidents by up to 25% and increase awareness of the importance of K3. However, challenges such as limited resources, lack of management support, and loose regulations remain major obstacles. This study also found that SMEs that implement good K3 practices tend to have better financial performance. To improve K3 implementation in SMEs, increased access to K3 training and resources, ongoing education campaigns, development of a simple and effective K3 management system, as well as government support in the form of incentives and stricter regulations are needed. Conclusion: Although there are many challenges in implementing the K3 management system in SMEs, with the right approach and adequate support, SMEs can achieve a better level of work safety. This will not only improve worker welfare but also productivity and business sustainability.   Keywords: Occupational Health and Safety (K3), Small and Medium Enterprises (UKM), K3 Management System, K3 Effectiveness