יח ומתקנין את
18 which involves extra exertion,<span class="x" onmousemove="('comment',' V. supra 2a, pp. 3 and 4.');"><sup>21</sup></span> is not [allowed]. What about [deepening it] front two [handbreadths] to [the original] seven? [Do we argue that] as in the first instance [it was explained above] he deepens it by five handbreadths, [from one to six], so here he deepens it by five handbreadths [from two to seven];<span class="x" onmousemove="('comment',' And it should therefore be permitted.');"><sup>22</sup></span> or, maybe that as in this instance he [actually] deepens the channel by an extra handbreadth there is extra exertion, and hence it is forbidden? - It stands undecided. Abaye allowed the people of Harmek to clear away<span class="x" onmousemove="('comment',' During the festival week.');"><sup>23</sup></span> [the growths obstructing]<span class="x" onmousemove="('comment',' Projecting from the banks, or weeds choking the canal.');"><sup>24</sup></span> the canal.<span class="x" onmousemove="('comment',' Or stream.');"><sup>25</sup></span> R'Jeremiah allowed the people of Sacutha to dredge the canal that had become blocked.<span class="x" onmousemove="('comment',' According to J.M.K. I, 2 it was a public bathing pool that had got into disorder at Sacutha and R. Abbahu allowed the repairing to be done in the festival week.');"><sup>26</sup></span> R'Ashi allowed the people of Matha-Mehasia to clear obstructions from the river Barnis, saying that as the public obtained their drinking water from it it was virtually a [pressing] public need, and we learn: AND ALL PUBLIC NEEDS MAY BE PERFORMED.