“Repair of Bearing on Mold Transport Trolley for Spun Pile (Earth Nail) in Precast Concrete Production Process: Reparasi Bearing Pada Trolley Pengangkut Cetakan Beton Spun Pile (Paku Bumi) Pada Proses Produksi Beton Precast”. 2026. Procedia of Engineering and Life Science 10 (1): 1109-15. https://doi.org/10.21070/8k1ppv18.