The process of voltage control to limit the volume of liquid delivered is used in:
A.
Laser printers
B.
Thermal printers
C.
Impact printers
D.
Inkjet printers
Explanation:
http://www.embedded.com/design/prototyping-and- development/4403968/Designing-aliquidlevelcontrol-delivery-system-for-use-in-medical— industrial-control-processes