1. mouldboard
2. sickle
a metal plow that could be used to
dig deep ridges in an agricultural field
a long, curved blade used in
agriculture
a device used in harvesting that
separates the husk from the grain
3. thresher
1. Mouldboard is a long, curved blade used in agriculture 2.A metal plow that could be used to dig deep ridges in an agricultural field 3. Thresher: a device used in harvesting that separates the husk from the grain
