A solar water heater (SWH) converts solar radiation into thermal energy for various purposes, and its technology has experienced numerous developments. Many studies have focused on developing, optimizing, and analyzing the technological configurations of SWH to improve its thermal efficiency, but they rarely achieve 80% efficiency. This review aims to provide a broad overview of SWH, including the energetic and exergetic approaches and analyses, technological development, and examines advantages, disadvantages, and further developments. Various collectors of the SWH and related studies are also highlighted, and the results identify the technical and policy challenges of the implementation. Suggested potential solutions to these challenges are presented with further directions. Furthermore, this study also discusses the limitations of the current SWH technology by presenting the specifications and characteristics. It also presents the mathematical equation model often used, the technology potential, and the results of the latest studies and developments regarding SWH technology. The prospects for further development of the most promising SWH should be analyzed.
<p>UD. Sunarso Mebel is a business engaged in the furniture industry with management, including the design stage, material search, sawing, shrinking, sorting, and assembly for the final product of furniture. Production process for mortise and tenon joint on UD. Sunarso Mebel identified problems that could have been more productive. UD. Sunarso Mebel uses conventional tools that are ineffective, efficient, and interfere with worker comfort. Therefore, the fabrication of integrated tenon wood machines is needed, about actual needs and conditions. <br />The stages of this program include the formulation of the design, the tools' manufacturing stage, and the implementation stage. Using this integrated tenon wood machine increases the cutting speed of one wood couple to 10 seconds from the conventional method of 300 seconds. The stage of cutting one break that is needed is only one stage compared to the conventional method, which is three stages. The manufacturing capacity of furniture products has become nine times faster. Thus, these integrated tenon wood machines can increase the productivity of furniture products on UD. Sunarso Mebel. The ergonomics of integrated tenon wood machines are classified as low risk, so it is ready and safe for use.</p>
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