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Kegiatan pengabdian masyarakat ini bertujuan untuk memberikan pemahaman kepada para pelaku usaha jamu gendomg agar dapat mengurus izin produknya di BPOM. Usaha ini dilakukan dengan pemberian keterampilan dan wawasan kepada para pelaku usaha jamu melalui sosialisasi, penyuluhan, dan pelatihan bersama dengan dinas-dinas terkait. Pelatihan dilaksanakan dari pemilihan simplisia sampai kepada manajemen usaha. Hasil dari kegiatan ini adalah agar mitra dapat menghasilkan produk jamu gendong yang memiliki mutu/ kualitas yang lebih baik dari segi keamanan produknya. Sehingga produk-produk jamu gendong di Desa Ngablak dapat dipasarkan di swalayan, toko oleh-oleh ataupun dipasarkan secara online. Selain itu, diharapakan bahwa minuman jamu gendong dapat menjadi minuman utama pengganti air mineral saat diadakannya pertemuan di Balai Desa Ngablak. Dengan adanya izin BPOM diharapkan berpengaruh terhadap peningkatan kesejahteraan para anggota Paguyuban.

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Production activities carried out every day can interfere with the effectiveness of the machine, one of which is the compressor, so that sometimes problems in the field are still often encountered, such as the piston drive motor not rotating, the compressor does not turn on and off automatically, corrosion (rust), melted capacitors, and many more. things that can happen beyond the operator's control. Due to these constraints, the authors decided to find out more and made direct observations at PT. INKA Multi Solusi Service, as well as studying good and proper machine maintenance so that the company's productivity does not experience a significant decrease. The research was conducted by direct observation and direct interviews with the maintenance department to find out the steps that are usually taken in solving problems. To determine the value of machine effectiveness based on the measurement of three main ratios, namely: availability, performance efficiency, and rate of quality, is carried out using the Overall Equipment Effectiveness (OEE) method. The conclusion that can be drawn from this study is that maintenance on the Ingersoll Rand MM160 type screw air compressor is carried out to maintain the condition of the compressor in a ready state for use in measuring the level of machine effectiveness using the Overall Equipment Effectiveness (OEE) method at PT. IMSS, starting from May – July 2022, where the highest percentage in May 2022 is 94% and the lowest in June 2022 with a percentage is 90%.

The structure of perovskite-based material contained in the niobate and titanate. The fabric was a perovskite crystal structure having the formula ABO 3. Ferroelectric and piezoelectric materials had a perovskite structure. This material could store an electric charge, which was good because of the polarization resulting in a material that was a dielectric. Unleaded piezoelectric material, K 0,5 Na 0,5 NbO 3 (KNN), was synthesized using reliable state methods. Synthesis was done by first setting up K 2 CO 3 , Na 2 CO 3 , and Nb 2 O 5 as a base KNN system. Studies cover X-ray diffraction, thermal analysis TGA-DTA and lattice parameter analysis. From the TGA-DTA analysis obtained for KNN calcination temperature at 700 0 C for 2 hours can produce a single-phase ABO 3 where A = (K, Na) and B = (Nb). Orthorhombic perovskite structure KNN material owned by P4mm space