radiation

intersection

traversing

resection

resection

orientation

traversing

resection and orientation

gives more accurate problem

takes less time

requires more labour

none of the above

(i) and (ii)

(iii) and (iv)

(ii) and (iv)

(i) and (iii)

(i), (ii),.(iii)

(i), (iii), (ii)

(iii), (i), (ii)

(ii), (Hi), (i)