Pengurangan koefisien gesek dengan menggunak PEG 4000, 200 PPM, 400 PPM, 600 PPM pada P bulat diameter 3 mm = the reduction flow of pressure drop with PEG 4000, 200 PPM, 400 PPM, 600 PPM for pipe diameter 3 mm

Pengurangan kerugian tahanan total pada kendaraan bawah air menggunakan edible coatings (cutin and wax) pada kulit tomat dengan variasi konsentrasi larutan (ppm) = Reduction of total resistance on underwater vehicle by edible coatings of cutin and wax of tomato skin by variety of weight concentration (ppm)

Pengurangan nilai jatuh tekan (Pressure Drop) aliran didalam pipa dengan penambahan Aditif Polyvinyl Alcohol 100, 250 Dan 400 Ppm pada Fluida kerja air = Reduction pressure drop with solution of polyvinyl alcohol with concentration Of 100, 250, And 400 Ppm on Fluid Work Water

Pengaruh penambahan inhibitor monoethanolamine 0, 50, 100, 250, 500, 800, 1000 ppm dalam pelumas palm oil terhadap derajat korosifitas material baja karbon hasil cold rolling

Efek larutan tinta terhadap koefisien gesek pada pipa acrylic bulat ø 12.7 mm = ink solution effect in friction coefficient on acrylic pipe ø 12.7 mm