Iyo sirinji inoumbwa nedhiramu, plunger uye piston.
Iyo Barrel iri pachena zvakakwana kuti ibvumire kuyerwa kuri nyore kwevhoriyamu iri musirinji uye kuona kwemhepo bubble.
Iyo plunger inokodzera mukati medhiramu zvakanaka kwazvo, ichivimbisa kubvumira rusununguko rwekufamba.
Graduation yakadhindwa neingi isingadzimiki padhiramu iri nyore kuverenga.
Iyo tsono ipfupi uye yakatetepa uye yakafukidzwa neyakatsetseka yesilicone kuti iite kuti ipfuure nepaganda nyore uye kuderedza marwadzo.
Yekudzivirira tsono cap inodzivirira uye inodzivirira iyo insulin tsono tipi kubva mukusvibiswa uye kukuvara.Yekudzivirira plunger cap inochengetedza sterility yesirinji inodhiraivha kutumira.
