Ukuze uqinisekise ukusetshenziswa okulungile nokuzinzile komshini we-Junda, kubaluleke kakhulu ukuqonda imishini ngokuningiliziwe. Okulandelayo kwethulwa kumdwebo wayo wesimiso sokusebenza.
Kukhona iziqhumane ezomile nezimanzi. I-dry sand blaster ingahlukaniswa ngohlobo lokumunca kanye nohlobo lomgwaqo. I-blaster eyomile eyomile ngokuvamile yakhiwa amasistimu ayisithupha: isistimu yesakhiwo, isistimu yamandla aphakathi nendawo, isistimu yamapayipi, isistimu yokususa uthuli, isistimu yokulawula kanye nesistimu eyisizayo.
Umshini wokuqhumisa isihlabathi esiwumunca okomile unikwa amandla wumoya ocindezelweyo, ngokuhamba kwesivinini esikhulu sokugeleza komoya kumfutho ongemuhle owakheke kusibhamu sokufutha, i-abrasive ngokusebenzisa ipayipi lesihlabathi. Isibhamu sesifutho sokumunca nangomjovo wombhobho, ukufafaza okuzocutshungulwa ukuze kufezwe injongo yokucubungula oyifunayo.