1. selikalikoe ke sesebelisoa se atileng haholo ho keneng ka nozzle. Mosebetsi oa eona oa mantlha ke ho tiisa tsela e phallang le ho thibela ho dutla ha mokelikeli kapa khase. Libukeng tse ling, e boetse e na le ts’ebetso ea bo-buffer. Li-nozzle tsa rona li sebelisoa hangata ho O-masale a entsoeng ka rabara ea nitrile kapa rabara ea fluorine. Har’a tsona, rabara ea fluorine e na le litšobotsi tsa ho hanyetsa mocheso o phahameng le ho hanyetsa ts’enyeho, empa theko ea eona e batla e phahame, kahoo o ka khetha ho latela litlhoko tsa hau.

O-masale ke lihlahisoa tse ka sebelisoang. Ho li sebelisa maemong a thata nako e telele ho tla fokotsa nako ea bona ea bophelo. Re khothaletsa hore o reke likarolo tse ling tsa lisebelisoa bakeng sa masale a bōpehileng joaloka nako ha li na le li-ring tsa O. Re tlameha ho emela nako ea ho li kenya ka nako ho qoba tahlehelo.