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Subject :NCO    Class : Class 10

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)

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