Inkcazo
a) Yenziwe ngeglasi ye-resin yePC ecacileyo. Ukusebenzisa iglue ye-3M yezoshishino.
Ulawulo olubonakalayo ngakumbi ukhuseleko, imathiriyeli ekrwada ecacileyo, ngokulula nangokucacileyo ukubona imeko yokutshintsha.
b) Xa itshixiwe, thintela ivalve ekujikeni.
c) Isiseko sivumela ukusetyenziswa kunye neesemicircle ezimbini ukulungiselela ivalve.
d) Ukufaka ivalve. Ukuya kuthi ga kwi-55 mm ububanzi kunye ne-43mm ubude.
e) Ifaka i-32 mm-46 mm ivalve yedayamitha.