Book, Paragraph

 1  IV,  7 |       some, like horn, can be softened by heat, others, like pottery
 2  IV,  7 |       but cannot be melted or softened by heat. (For the same reason
 3  IV,  8 |   inapt to solidify, melt, be softened by heat, be softened by
 4  IV,  8 |       be softened by heat, be softened by water, bend, break, be
 5  IV,  9 |      can be melted, cannot be softened in water, whereas wool and
 6  IV,  9 | whereas wool and earth can be softened in water, for they can be
 7  IV,  9 |     natron and salt cannot be softened in water: for nothing is
 8  IV,  9 |     as wool and grain, can be softened by water though they cannot
 9  IV,  9 |        Any body that is to be softened by water must be of earth
10  IV,  9 |    earth is both "melted" and softened by moisture, while natron
11  IV,  9 |    natron is "melted" but not softened? Because natron is pervaded
12  IV,  10|    bodies cannot be melted or softened; for instance, amber and