None to mix stones or sand with kelp or foreign ashes, or expose such to sale, under forfeiture of 40s. to the informer, nor use lime, soapen dregs, or any dung but cow-dung, in the whitening or bleaching linen cloth or yarn, without forfeiting 5l. to the informer; […]

A WiFi-ing We Will Go ?

It is clear that overfilters and underfilters are dual in the sense of the duality principle.

[I]n disturbed areas, like East Point, exotic trees like poinciana and coffee bush invade the edges.