Q6: In your own words, explain these lines (N4 N8 ; N16 - N20) of the following code. Explain whether the code is right or wrong. [10pt] % 00100 (Main Program) N1 G20 N2 G00 G17 G40 G49 G80 G91 N3 T2 M06 N4 G00 G90 G54 X-.135 Y-.135 A0. S4000 M04 N5 G43 H22 Z2. M08 N6 Z1. N7 G00 Z-.5 F18.43 N8 Y.7023 N9 X.9705 Y1.25 N10 X3. N11 G02 X3.123 Y1.0625 10. J-.1875 N12 G01 X3.123 Y.875 N13 G02 X2.9375 Y.6875 I-.1875 J0. N14 G01 X2.3020 N15 X21250 Y.5107 N16 Y.0625 N17 G02 X1.9375 Y-.125 10. JO. N18 G01 X-.125 Y-.125 N19 Z.1 N20 G00 Z2. M09 N21 M04 N22 G28 Z0. N23 M98 P1500 N24 M00 %

Fig: 1