Lead poisoning continues to be a danger to swans as well as other waterfowl due to the ingestion of lead fishing sinkers.
Baskets might also include tackle items such as lures, hooks and sinkers, a fisherman's hat or a fishing-related sweatshirt.
Use the needle and thread to stitch the fishing bobbers and sinkers to the lampshade at regular intervals.
Modern surveying ships no longer make use of hempen lines with enormously heavy sinkers, such as were employed on the " Challenger," but they sound instead with steel piano wire not more than 310 to 215 of an inch in diameter and a detachable lead seldom weighing more than 70 lb.
This method necessitates the use of very considerable pumping power during the sinking, as the water has to be kept down in order to allow the sinkers to reach a water - tight stratum upon which the foundation of the tubbing FIG.