काष्ठवेणुनावश्चोपगृह्णीयुः ॥ कZ_०४.३.०७ ॥
kāṣṭhaveṇunāvaś copagṛhṇīyuḥ
They shall secure boats made of wood and bamboo.
It signals standardized, locally available materials for rapid procurement and readiness of evacuation/rescue transport.