Bangladesh · Boat Building / Structural Craft
নৌকা (Nauka)
The nauka (নৌকা) — Bangladesh's traditional wooden river boat — is the most ecologically specific craft tradition in the database: the hull form, materials, and construction method are all calibrated to the specific hydrodynamics of the Bengal delta river system — its water hyacinth-choked channels, its tidal reversal zones, and its seasonal flood levels that can raise water by 3-4 meters in a matter of days. The defining technical knowledge is the hull symmetry assessment: nauka builders work without plans, checking hull symmetry by sighting along the keel from both ends alternately — 'I sight from bow, then from stern; if the same, the hull is true.' Bow-and-stern alternating sight is the quality standard.
Risk level: Critically Endangered · Bangladesh national ICH list
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