Tillage is the agricultural preparation of soil by mechanical agitation of various types, such as digging, stirring and overturning, and where agriculture involves human labour it is done using hand tools which includes shovelling, picking, mattock work, hoeing and raking.

• A. where agriculture involves human labour it is done using hand tools which includes shovelling, picking, mattock work, hoeing and raking.
• B. where agriculture involves human labour it is done using hand tools which includes shovels, picks, mattocks, hoes and rakes.
• C. agriculture involving human labour is done by hand tools which includes shovelling, picking, mattock work, hoeing and raking.
• D. there where it involves human labour, shovelling, picking, mattock work, hoeing and raking are done