• Taught >5 senior high school students and 1 college student for chemistry subject.• Did monitoring & evaluation with other tutor each month. • Made a learning report each month.

• Checked quality and quantity of raw material in weighing process about 10-20 batch each day.• Checked 40-60 documents (Batch Record Control) of the product each day.• Managed document room include recap documents using Microsoft Excel and mapping.

• Assisted for the practicum entitled "UV-Vis Spectrophotometric Analysis Technique for Mixed Samples".• Operated UV-Vis Spectrophotometer instrument.• Evaluated the practicum report of 12 students.• Coordinated 11 assistants for the Integrated Chemistry Practicum in Analytical Laboratory.

• Created 4 monodisciplinary programs, i.e. science magic, made liquid soap from used cooking oil, made scented candle from used cooking oil, and made hand sanitizer from betel leaf and lime.• Made 6 booklets and 1 video learning using Canva and Windows Video Editor to support student learning during online class.• Created 2 literacy programs, i.e. literacy corner and reading book before class. From these programs, we collaborated with “Kurir Buku Semarang” to get book donation. • Created 3 technology adaption programs, i.e. socialization of educational applications and websites, introduction to computer hardware, virtual walks through https://vr.seamolec.org/

• Assisted for the practicum entitled “Separation and Determination of Cu2+ And Zn2+ Ions in A Mixture of Copper and Zinc Sulfate by Electrogravimetric Method”.• Evaluated the practicum report of >70 students.

• Analized incoming samples using UV-Vis Spectrophotometer and Atomic Absorption Spectrophotometer.• Validated data of heavy metal (Cr, Pb, and Cd) analysis in industrial liquid waste for quality assurance of Environmental Service of Sukoharjo Regency.

• Assisted for the practicum entitled “Chemical Reactions: General Symptoms and Reaction Rates”.• Taught how to process practicum data using Microsoft Excel.• Evaluated the practicum report of >80 students.