Bulk heads and stringers are often covered by the. sole of the boat and the only access is through limber holes designed to let water drain over the length of the boat. For boats. with a deep bilge (full keels and some fin keels), there may be a long term buildup of sludge down there as well. If the boat.
(skÅ­lâ²pÄ­n) n. pl. sculÂ·pins or sculpin. 1. Any of various marine and freshwater fishes chiefly of the family Cottidae, having a large flattened head with spines, few or no scales, and often fanlike pectoral fins. 2. A scorpionfish (Scorpaena guttata) of California coastal waters.
Rosin, also called colophony or Greek pitch (Pix graeca), grÃ¦ca is a solid form of resin obtained from pines and some other, plants mostly, conifers produced by heating fresh liquid resin to vaporize the volatile liquid terpene. Components it is-semi transparent and varies in color from yellow to. black Rosin is often applied to the bow before playing the instrument. 2  Lighter rosin is used for violins and violas. 3  There are darker rosins for cellos and specific, distinguishing types for bassesâfor more see Bow (music) .