case_images: PMC9092298_01
case_images: (A) Disinfectant filling line. (B) Filling head with 5.5 mm inner diameter.
case_images: fpubh-10-851175-g0001.jpg
case_images: PMC9092298_01_fpubh-10-851175-g0001.jpg
case_images: F1
case_images: The downward force of the filling head is about 500 kg, and the pressure of the filling liquid is ~80 psi (Figure 1).