Combine is a machine which is a combination of:
'Combine' is a machine that helps in both harvesting and threshing of crops.
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