Ntle le litanka tsa mofuta oa silinda tse tloaelehileng, Jrain e etsa litanka tsa bokantle ba fiberglass tse entsoeng ka mokhoa o kopantsoeng le tšebeliso (sebelisa sebopeho) ka ts'ebetso ea ho beha matsoho, hammoho le ba kantle kahare le ba stiffeners kantle.
Saese: ka boholo ba moreki