मृत्काष्ठकोष्ठाः स्नेहस्य पृथिवी लवणस्य च ॥ कZ_०२.१५.६४च्द् ॥
mṛt-kāṣṭha-koṣṭhāḥ snehasya pṛthivī lavaṇasya ca
Öle/Fette (sneha) sind in irdenen oder hölzernen Behältern zu lagern; Salz ist in Kontakt mit Erde zu lagern (Bodenlagerung).
Because preservation depends on material compatibility: oils keep better in suitable containers, while salt is stabilized by dry ground storage.