ʻO ka mīkini hana pinhole kiʻekiʻe e pili ana i ka hana ʻana i ke kila kila, ke kila paʻakikī, ka paʻa paʻa, ke keleawe, ka alumini a me nā ʻano mea like ʻole hiki ke komo pololei a hoʻoheheʻe mai ka cant, camber a me ka maka pyramidal. Hoʻohana ka mīkini i ka hana ʻana i ka pinhole hohonu hiki ʻole ke hoʻohana ʻia e like me ka lua threading o ka ʻoki ʻana i nā mea hana ultra-hard conducting, ka wehe ʻana o ka nozzle o ka paila ʻaila, ka puka spinneret o ka milo make, ke ala ʻaila o nā mea hydropneumatic a me ka lua hoʻomaha o ka ʻenekini.