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The purpose of this study was to study the application of working culture to the learning practice of machining in vocational high school (VHS) Muhammadiyah 1 Salam. The industrial working culture adds value to integrity, professional, productive, innovative, and competitive. This research is a quantitative and qualitative descriptive study. The subjects in this study were machining subject teachers of class XI and XI grade students in mechanical engineering majors at VHS Muhammadiyah 1 Salam. The obtained data were analyzed through descriptive analysis. The results show the value of integrity that has been implemented by 88% of students by behaving honestly and responsibly. Professional values have been applied to 54.8% of students with standardized procedures and applying K3 while working. Productive value has been applied 69% of students according to the time and quality determined. 27 % of students have applied innovative value. Innovative value is applied by finding new alternatives at work. Competitive value has been applied by 53% of students by looking for information related to the field of work and confidence in showing competence.

This research aims to develop interactive learning multimedia for learning pictorial projection in Mechanical Engineering Drawing. This study is a research and development using the ADDIE development model, namely: Analysis, Design, Development, Implementation, and Evaluation. The results of the material expert's assessment on the material quality aspect received a percentage of 86.25% in the Very Appropriate category, and on the aspect of material benefit, a percentage of 75% was obtained in the Eligible category. The results of the media expert's assessment on the program design aspect received a percentage of 90% in the Very Appropriate category, and in the multimedia design aspect, a percentage of 86.9% was obtained in the Very feasible category. The media developed was tested on 35 students of class X Vocational High School 2 Klaten. The results of the trial on students got a percentage of 80.33% in the Very feasible category. Thus the pictorial projection learning multimedia was feasible to use as a learning medium for class X Vocational High Schools in mechanical engineering expertise.

This study aims to determine the level of planning, implementation, and assessment of learning outcomes in the XI class of shielded metal arc welding (SMAW) techniques at the state vocational high school 1 Sedayu, Bantul Regency. This type of research is a descriptive study with a survey method. Data collection using a questionnaire. The study population was 90 students of class XI state vocational high school 1 Sedayu. The sample was taken the same as the population. Data collection using a questionnaire. The data analysis technique used a quantitative descriptive analysis. Based on the data analysis results, the planning category is medium, with a mean of 29.48. The implementation is a very high category with a mean of 49.60, the assessment of learning outcomes categorized as high with a mean of 10.68. The results showed that the evaluation SMAW technical learning was in the high category. Results also showed that the level of evaluation of the SMAW technique learning on planning is in the medium category and the evaluation of the implementation of the SMAW technique learning was in the very high category.

This study aims to describe the Penataran Angkatan Laut company's modern shipping industry's job profile and its relevance to the Mechanical Engineering Education Study Program curriculum, Faculty of Engineering, Yogyakarta State University 2014. The research is focused on the job profile of a welder level for the field welding and operator level for the machining plane. The research was conducted using a descriptive qualitative model with the research subject of Penataran Angkatan Laut company Indonesia Surabaya, East Java. Data collection techniques used include interviews, documentation, and observation. The data is then analyzed using the percentage method-checking the validity of the data used triangulation of sources and techniques. This study's results indicate that the curriculum is a relevant category in the welding field with a 64.74% value and 91.67%, a very relevant category in machining.

This research was aimed to know the effect of Communication Information Technology (CIT) and learning activities towards student performance in metal connecting technique lesson in Vocational High School 1 of Seyegan. This was descriptive research by using a quantitative approach. The research results showed that CIT and learning activities affected student performance. This result was concluded: (1) a positive effect of CIT towards student performance with determination coefficient of 32.7%; (2) a positive effect of learning activities towards student performance with determination coefficient of 8.7%; (3) there was a positive effect of CIT and learning activities jointly towards student performance in metal connecting lesson with determination coefficient of 10.9%.

This study aimed to find out the influence of work knowledge and industrial practice experience to students' learning motivation. This study was an assosiative research with quantitative approach. The samples were decided by cluster random sampling technique. Closed-questionnaires were used to collecting the datas. Then by descriptive analysis and regression analyis technique the data were processed. The results showed there was no positive and significant influence between work knwoledge and learning motivation, shown by tcount=0, 081 < ttable=2, 069 with regression equation Y = 45, 926-0, 010X1. There was no positive and significant influence between students' industrial practice experience and learning motivation shown by tcount=1, 056 < ttable=2, 069 with regression equation Y = 37, 464+0, 151X2. The world of work knwoledge and industrial practice experience also did not influence positively dan signficantly to students' learning moivation simultaneously, shown by Fcount=0, 618 < Ftable=3, 39 and the regression equation Y = 38, 171-0, 080X1+0, 191X2.

This study aims to describe and determine the breakdown level of the V Groove welding results of students in Shielded Metal Arc Welding practice in the 3G (Vertical Up) position based on the American Welding Society standards. This study uses a quantitative descriptive research approach to describe the quality of the welding results. The collecting data in this study uses a visual assessment checklist based on AWS standards. The research conduct in a fabrication workshop at, Department of Mechanical Engineering Education, Faculty of Engineering, Yogyakarta State University. The data analysis technique was done by visually assessing students' welding results and averaging them then describing them. The number of samples from this study were all training participants totaling 18 students. The results of this study indicate that: overall, the pass rate of students in welding the V groove connection in the 3G position SMAW practice is still meager, from a total of 18 students, none of them passed. Most students did not pass welding in the irregular bead, free from arc stray and spatter, undercut material, weld profile, and crater cross-section. The cause of student failures is due to a lack of understanding of how to avoid welding defects.

The objective of this study is to compare the facility designs of existing and modern learning environment for vocational schools in accordance with 21st century learning. We begin the study with a comprehensive study on vocational schools that reflects the current condition and best practices. The next step is a comprehensive study of administrative documents and facility specifications needed to support vocational school graduates. Data and information in this study are analyzed and presented using a qualitative-descriptive approach. The method of analysis is carried out in three stages. The first stage is identifying the existing data in the field. The second step is to find the problems that become obstacles to the fulfillment of facilities in accordance with 4.0 industrial revolution. The third stage is to do an analysis between the current and modern conditions of the facilities in vocational schools. The locations chosen for the survey activities include East Kalimantan, Central Kalimantan, Jakarta, West Java, Central Java, East Java, and Yogyakarta. This study finds that the existing facilities in vocational schools are lacking and also concerning. This needs proper attention and handling such that these school facilities may be transformed into modern facilities.

Fat based palate cleanser used to overcome spicy intensity on the tongue papillae TRPV1 receptor. In this study, the effectiveness of milk as an animal fat-based palate cleanser was compared to vegetable fat based palate cleansers such as coconut milk and soymilk. Temporal dominance of sensations (TDS) was applied to monitor the effectiveness of palate cleanser (milk, coconut milk, and soy milk) on three different concentrations of chili powder (0.2%; 0.4%, and 0.6%). The study involved 12 intensively trained panellists. It was observed that coconut milk tended to be more effective than those of milk and soy milk in 0.2% and 0.4% chili powder concentration (P-value < 0.05). Further confirmation suggests that at a lower concentration of spiciness, protein involves cleansing sensation, while at higher concentration, it is more dominant by fat in conjunction with protein contribution.

The rising prevalence of histidine-rich protein 2 (PfHRP2) gene deletions ( pfhrp2 -) poses a threat to the accuracy of PfHRP2-based rapid diagnostic tests (RDTs). However, evidence of this deletion is scarce in Indonesia. We examined the prevalence of pfhrp2 and its paralogue histidine-rich protein 3 (PfHRP3) gene deletions ( pfhrp3 -) in blood samples collected from a study assessing three PfHRP2-based RDTs conducted between December 2022 and April 2023 in Timika, Papua. Out of 2157 symptomatic-patients enrolled, 566 P. falciparum mono-infection cases were included for pfhrp2/3 exon 2 genotyping. We detected nine samples (1.59%, 95% CI 0.73–3.00%) with pfhrp2-/pfhrp3-, of which eight were PfHRP2-RDTs positive. Of three pfhrp2- samples (0.53%, 95% CI 0.11–1.54%), one was PfHRP2-RDTs positive. In contrast, 201 samples (35.51%, 95% CI 31.57–39.61%) had pfhrp3- , five of which were pfhrp2  + but PfHRP2-RDT negative; however, four exhibited low parasitemia. Five PfHRP2-RDTs negative samples with pfhrp2  +  /pfhrp3  + were sequenced alongside two pfhrp2  + with PfHRP2-RDTs positive samples. We found more repeat-type variations in pfhrp2 compared to pfhrp3 . Seven unique repeat types in pfhrp2 and one unique repeat type in pfhrp3 amino acid sequences were characterized in single or multiple copies per sample. These results demonstrated the low prevalence of pfhrp2- 2.12% (95% CI 1.10–3.67%) suggesting PfHRP2-based RDTs remain suitable for malaria diagnosis in Timika, Papua, Indonesia.