Which of the following are the two main technologies used by inkjet printer manufacturers to form the droplets of ink?
(i) Thermal DOD
(ii) Piezoelectric
(iii) Wedgeline
(iv) Intelligent Interweaving
A Only (i)
B Both (ii) and (iii)
C Both (i) and (ii)
D All of these
Explain the terms above... (i) and (ii)