Kuisa kuri nyore kwazvo, ingoisa tambo nepaburi regland rakaungana wosimbisa gland lock nut kusvika tambo yasimbiswa. Ma tambo aya akagadzirwa kuti agone kutsungirira mvura, guruva, munyu, acid-base, alcohol, oil uye common solvent.
Kugadzirisa zvinhu kunowanikwa.