Electric cigarettes or what are often called vapes are a type of electronic nicotine delivery agent. In electric cigarettes what is inhaled does not come from dry tobacco leaves, but liquid. In some circles, it is said that electric cigarettes are considered safer than conventional cigarettes, apart from that, electric cigarettes are considered to be a technique for reducing smoking habits for users. The aim of the community service activities carried out for the teenagers of Persaudaraan Setia Hati Terate Ranting Tugu Semarang is to increase teenagers' knowledge of the dangers of electric cigarettes for health. Community service activities are carried out using the lecture method. Based on the community service activities that have been carried out, the results obtained are an increase in teenagers' knowledge of the dangers of electric cigarettes for health and the desire of teenagers who smoke to stop smoking.

Mathematics and Physics are subjects that are not only difficult for students but also difficult to do Teacher. To make it easier to understand the material, Geogebra software is used. In the community service, Geogebra training is given to high school teachers in the field of Mathematics and Physics teacher in Jambi City. The training was carried out online involving 10 lecturers and 5 assistants. The training consisted of 4 sessions carried out over 2 days by 31 Mathematics and Physics teachers. Training is divided into 2 classes for more effective. From the results of the training, the ability to use Geogebra increased by 38.05%. The average level of participant satisfaction with the implementation of the research was 4.15 in (a scale 5)

Every country has distinctive characteristics that become selling points in terms of economy and infrastructure, including small regions such as districts, sub-districts, villages, and hamlets that need to be developed to be more widely known. These distinctive values, including natural potential, plantation products, micro-businesses, tourism sectors, and arts, are important for regional existence. Carangwulung Village in Wonosalam Sub-district, Jombang Regency, has high natural potential such as durian, salak and coffee. Located in the highlands, the village excels in plantations. The tourism sector stands out with its beautiful environment and friendly people, making it an ideal destination for tourists. Plantation products are processed into high-value products through MSME businesses that prioritize quality. Arts potential, such as Gamelan, Jaranan, and Remo Dance, are also preserved. The community service program focused on the development of arts and tourism in Carangwulung Village, including the "Selepas Senja" art performance and tourism. The research used a qualitative descriptive methodology, collecting data through observation, interviews and FGDs. The findings show the importance of preserving and promoting local coffee culture and traditional arts to attract tourists. The eco-tour involved 10 UPN "Veteran" East Java students and the local community.