Comparison between Bull's trench and Hoffman's kiln
| No. Items |
Bull's trench kiln |
Hoffman's kiln |
| Burning Capacity |
About 3 lakhs in 12 days. |
About 40 lakhs in one season |
| Continuity of working |
It stops functioning during mansoon as it is not provided with a permanent roof |
It functions all the year with permanent roof. |
| Cost of fuel |
High as consumptions of fuel is more. |
Low |
| Drying space |
It requires more space |
It requires less space |
| Initial cost |
Low |
High |
| Nature |
It is semi-continuous in loose state. |
It is continuous in nature |
| Popularity |
More popular because of less initial cost |
Less popular because of high initial cost |
| Quality of Bricks |
Percentage of good quality bricks is small |
Percentage of good quality bricks is more. |
Note:-
These two kiln's are used to burn the bricks.
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