The present study investigates how to implement multiple e-learning technologies on practicing TOEFL PBT Section 2, Structure and Written Expression, and its effectiveness. It is a case study at Indonesian Railway Polytechnic. The participants were 48 students of the Railway Mechanical Technology program observed during eight online TOEFL practising classes. The data were collected using observation note to describe the implementation of e-learning technologies, comparing each score to determine the effectiveness of the technologies and a questionnaire to identify students’ feedback. The findings identified how to implement multiple e-learning technologies on practicing TOEFL PBT Section 2 in which effective to increase students’ TOEFL score; those technologies were regarded as interesting media on practicing TOEFL structure and written expression and received more positive feedbacks than the drawback from the students of Railway Mechanical Technology program. These imply that implementing multiple e-learning technologies on practicing TOEFL structure and written expression enhances students’ learning outcomes. HIGHLIGHTS: Multiple e-learning technologies enhance students’ learning outcomes in TOEFL PBT Section 2, structure and written expression. Quizizz, Kahoot!, Socrative, and Google Forms are interesting media on practicing TOEFL Structure and Written Expression. The fourth e-learning technologies receive more positive feedbacks than the drawback from the students in on practicing TOEFL PBT section 2.

Penelitian yang berjudul analisis faktor-faktor aspek material dan Sumber Daya Manusia (SDM) yang terdampak pandemi Covid-19 di proyek satuan kerja Balai Teknik Perkeretaapian (BTP) Jawa Timur ini bertujuan mengetahui faktor-faktor SDM apa saja yang terdampak pandemi Covid-19 di Proyek Satuan Kerja BTP Jawa Timur. Metode analisis data yang digunakan dalam penelitian ini adalah dengan mengunakan analisis statistika dengan analisis faktor . Metode pengumpulan data yang digunakan adalah menggunakan kuisioner dengan jumlah responden sebanyak 30 orang yang merupakan pekerja proyek pada satuan kerja BTP Jawa Timur pada masa pandemi Covid-19 . Pengolahan data dilakukan dengan program SPSS versi 24.0. Aspek yang dianalisis dalam penelitian ini adalah aspek Material dan SDM. Hasil Penelitian menunjukkan bahwa faktor pada aspek SDM yang dominan terdampak pandemi Covid-19 di proyek satuan kerja BTP Jawa Timur adalah ketersediaan  tenaga kerja. Sedangkan faktor pada aspek material yang dominan terdampak  adalah proses mobilisasi peralatan dan alat berat

The community service about training in using Mendeley application as a citation and reference manager instrument in writing article for university students in Madiun aims to share knowledge for academicians in writing article citation and reference manager using Mendeley. The participants of this community service are the university students in Madiun. This activity was done through discussion and simulation in Zoom meeting. It was started with planning and socialization for a month through social media. The simulation was done through Zoom meeting in a day. Evaluation of this activity was done by giving questionnaire for all participants at the end of the training. The results of the evaluation showed that the training of article citation and reference manager in writing article benefits for the university students in writing appropriate APA 7th edition-citation.

The purpose of this research is to obtain the dimensions of the savonius wind turbine and to test the calculation results and design of the savonius wind turbine based on the wind speed generated due to the movement of the train in the tunnel. The method used is to calculate the dimensions of the turbine diameter. The results of the calculations show that the savonius wind turbine diameter is 60 cm with a height of 60 cm. The maximum voltage generated is 12.26 V with a current of 0.52 A at a wind speed of 5.7 m/s.

Composite material is a type of new, engineered material consisting of two or more materials where the properties of each material differ from one another both in chemical and physical properties and remain separate in the final material. Composite materials have many advantages, one of which is lighter weight and corrosion resistance. In this study, composites made from glass fiber were carried out with variations in the arrangement of laminates, in order to select the material which was then applied to the manufacture of the inspection lorry body. Composites were made using the hand lay-up method. Tensile test specimens made according to ASTM D-638. The results of the tensile test show that the highest tensile strength of glass fiber composite material for the inspection lorry body is 5.45 MPa and the lowest tensile strength is 4.62 MPa. Keyword: composite, glass fiber, tensile test, inspection lorry