Rancang Bangun Chuck Lift Jack Untuk Mengurangi Kebutuhan Operator Dan Meningkatkan Keselamatan Kerja Saat Proses Pelepasan Dan Pemasangan Chuck Spindle Pada Mesin Winder di PT Asia Pacific Fibers = Design and Construction of a Chuck Lift Jack to Reduce the Need for Operators and Improve Workplace Safety During the Removal and Installation of Spindle Chucks on Winder Machines at PT Asia Pacific Fibers

FAJAR FIRMANSYAH