"Father, this?" Agni questioned in disbelief.
Had his father already predicted what would happen? But how can that be?
These design plans are clearly old. He could tell at a glance from the dust covering his fingers that these documents had not been opened for a long time.
Vijay could understand the surprise of his son, so he did not keep anything in suspense and answered, "I came up with this method of preservation during the war with the Mughal Empire. At the time, rationing was hard, so I had to think of something, but unfortunately, appropriate material could not be found for packing, so I simply put away the idea until the metallurgical technology improved."
"7 years ago, we had a breakthrough in tin production. I took up the project once again, as we can produce cans on a large scale."
"But the preservatives were the bottleneck."
