Izinsimbi zefenisha, ezihlanganisiwe ukuze zisekele ukuphila kwansuku zonke.

Ama-fasteners angase angabi yinto yokuqala oyihlanganisa nefenisha, kodwa abalulekile ngenxa yezizathu eziningana. Lezi zingxenye ezibonakala zizincane ukuxhumana okubamba yonke into ndawonye, ​​ngokoqobo nangokomfanekiso.