It was Paheli ’s birthday, her brother Simba was helping her to decorate the house for the birthday party and their parents were also busy making other arrangements. Following were the activities going on at Paheli’s home :

(i) Simba blew balloons and put them on the wall.

(ii) Some of the balloons got burst.

(iii) Paheli cut colourful strips of paper and put them on the wall with the help of tape.

(iv) She also made some flowers with origami (paper folding) to decorate the house.

(v) Her father made dough balls.

(vi) Mother rolled the dough balls.

(vii) Mother heated oil in a pan.

(viii) Father fried the puries in hot oil.

Identify the activitie4s at Paheli’s home as those that can be reversed and those which cannot be reversed.