Sigxile ekuthuthukiseni nasekukhiqizeni imigqa ye-extrusion e-Shanghai kusukela ngo-1992. Lo mshini wokwenza i-meltblown nonwoven faric making machine ukhiqiza indwangu ye-meltblwon, enezinhlobonhlobo zokusetshenziswa kwezentengiso okuhlanganisa imaski yobuso, izingubo zokuhlinza, izingubo zokuzivikela, nenabukeni losana nokunye.

Muva nje, indwangu encibilikisiwe isetshenziswa engxenyeni ephakathi ye-mask evikelayo, njengesendlalelo esibaluleke kakhulu esiyinhloko sokuvimba i-particle kanye ne-bacterial.