Find the correct match of both the columns.
Machine/tool used Purpose
(i) Sickle (a) Separating grain and chaff
(ii) Harvester (b) Harvesting and threshing
(iii) Winnowing machine (c) Manual harvesting
(iv) Combine (d) Mechanical harvesting
(i) - (c), (ii) - (d), (iii) - (a), (iv) -(b)
Harvesting can be done manually by sickle or by a machine called harvester. Farmers with small holdings of land carry out threshing using a winnowing machine. Harvesting and threshing are carried out with the help of a machine called combine.