1. U se ke ua sebelisa lisebelisoa tse senyehileng

2, ha u phahamisa, u se ke ua sotha, rigging

3, u se ke ua lumella lefito le ribang

4, ho qoba ho tabola commissure ho roka kapa overload mosebetsi

5, ha u tsamaisa rigging, u se ke ua e hula

6, ho qoba mojaro o matla kapa o ts'oenyehileng

7, mochini o mong le o mong o tlameha ho hlahlojoa pele o sebelisoa

8, Polyester e hanana le li-inorganic acid, empa e kotsing ea li-organic acid

9. Polypropylene e loketse ho sebelisoa libakeng tse hanyetsanang haholo le lik'hemik'hale

10, nylon e na le bokhoni ba ho hanela li-inorganic acid, tse kotsing ea ho senyeha ha organic acid

11. Ha nylon e le metsi, e ka lahleheloa ke karolo ea 15%.