Used cooking oil is oil that has decomposed fatty acids at certain limits so that it becomes unfit for use. Used cooking oil is obtained from the process of cooking or heating food using oil repeatedly and at high temperatures. The behavior that is often carried out by the community is that after being used repeatedly, the used cooking oil will be immediately dumped into the ground, ditches, pipelines or waters. This can result in environmental pollution in the form of death of aquatic biota, organisms in the soil, closing soil pores, contaminating groundwater and even increasing COD and BOD in soil and water. This type of community service is classified as expert service, namely community service carried out by lecturers in accordance with their field of knowledge, in this case through training activities in the pursuit of waste cooking oil using practical methods. The results of this service increase knowledge of the physical characteristics of cooking oil damage, the dangers of repeated use of oil, knowledge of waste used cooking oil management, and increased knowledge of waste used cooking oil utilization

A woman who is in pregnancy often experiences many changes, both physical changes and psychological changes. These changes can cause anxiety and increase anxiety. In third trimester pregnant women, the level of anxiety becomes more serious and intensive along the birth time schedule. Feelings of anxiety can cause tension in the mind and physique, pelvic muscles and lower uterine segment muscles; thus, this tension can disrupt the birth process. The impact of anxiety is so big for the mother and the fetus, so the interventions are needed to reduce anxiety in pregnant women. The purpose of this research was to find the effect of birthing preparation services. The research approach used a quantitative approach with preexperimental research design. This design involved pretest and posttest one group design. Samples in this study was 69 third trimester pregnant women. The data collection technique used a questionnaire was taken before experiment and after experiment. Data analysis used paired T test. The results showed that there was a significant difference in the level of anxiety between before and after being given pregnancy preparation services with (p value = 0.000) (p value = 0.000) or (p <0.05).