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Boleng bo phahameng ba nylon pulley bakeng sa crane
Li-pulleys tsa nylon tseo re li hlahisang li boima bo bobebe ebile ho bonolo ho li kenya bophahamong bo phahameng. Li-pulley tsa nyane li sebelisitsoe haholo lisebelisoa tse fapaneng tsa ho phahamisa, hanyane ka hanyane li tlosa li-pulleys tsa khale tsa tšepe ka melemo ea tsona e ikhethang.