Ibha ye-Aluminium grating ilula, imelana nokugqwala, futhi igaywa kabusha ngokugcwele. Ngesilinganiso esingenakuqhathaniswa samandla nesisindo, le mikhiqizo ilungele kokubili izinhlelo zokusebenza zezimboni nezakhiwo. Kwenziwe kusuka ku-ASTM B221, 6063 noma 6061 alloy noma ezinye izinto zensimbi.