Kajian pencemaran udara total suspended particulate tsp pada concrete batching plant dan persebarannya ke permukiman studi kasus concrete batching plant pt x Lenteng Agung = Study of total suspended particulate tsp in concrete batching plant and effect to neighborhood case study concrete batching plant pt x Lenteng Agung / Khotimah Ratna Indradjanue

Evaluasi dan pengembangan sistem pemeliharaan peralatan pada PT Adhi Karya (Persero) Divisi Adhimix dan Precast Plant Lenteng Agung

Meningkatkan kinerja produksi pada produksi beton spun pile dengan pendekatan lean manufacturing (studi kasus: PT Waskita Beton Precast Plant Sadang) = Improving the performance of production in production concrete spun pile with the approach lean manufacturing (case study: PT Waskita Beton Precast)

Efisiensi pengolahan air efluen instalasi pengolahan air limbah menggunakan unit karbon aktif: studi kasus: PT. Jababeka Infrastruktur = Treatment efficiency of effluent water from wastewater treatment facility using activated carbon unit: case study: PT. Jababeka infrastruktur

Perancangan sistem pengolahan lanjutan "produced water" menjadi air bersih studi kasus: plant tonga, PT. Energi Mega Persada Tonga = Design of advanced treatment system of produced water into clean water case study: plant tonga PT. Energi Mega Persada Tonga