The wood plough might have been widely used instead of the stone hoes at that time.

From Warring States, Si gradually became to plough, but it was used to being named Si.

Mostly fish, ikan bilis and some 'non-poisonous' seafood such as dried oyster and scallops...

Some around their hotels, for fear of getting attacked or lost.

Knives, Si often hoe, shovel and use, supporting, at the time that has been intensive production processes, agricultural production marked the time has reached a very high level.