1. 5.2 Identifying Equipments of Processing soil
There are 3 groups of soil processing appliances, they are :
Opener appliance ( Primary Tillage Equipment)
Destroyer appliance or refiner ( Secondary Tillage Equipment)
Leveler appliance and embankment dike ( Finishing Tillage Equipment)

2. a. Soil opener appliance( plough / plow)
Figure

3. There are 2 kinds of plough, both are moldboard types :
Single Action, plough which can only cut and throw soil to one direction
Double Action ( Reversible Plow ), plough which can fluctuate direction of throwing soil ( to left or to right)

4. b. Destroyer appliances
- Comb harrow and hoe / rotating harrow
Comb harrow used after plowing, hoe/ rotating harrow is used after rotary processing
Figure