88. Chemical Formulas and Fractions are typed by using :
(മ Rotating Lever (B} Variable Line Spacer
€) Variable Knob (2) Back Space Key
84. Main part in the step-by-step movement of the carriage is :
(A} Space bar {B) Cpylinder
(0) Dogblock (D) Tabulator bar
95. Main spring is related to the carriage through :
வ மாண Cord {B) Dogblock
{C) Pinion Wheel {D) Way Rod
96. Leave — —after a question mark.
(A} ೦೧6 50೩�....
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