Imfunguzo ni ibikoresho by'ingenzi bifasha mu gufungura cyangwa gufunga ibintu, nk’imiryango, imikandara, cyangwa ibikapu. Zishobora kuba iz’icyuma cyangwa izindi nzira zifasha mu gucunga umutekano n’uburinzi. Imfunguzo zigira akamaro kanini mu gucunga umutekano w’ahantu cyangwa ibintu, kandi zikoreshwa cyane mu buzima bwa buri munsi. Reba ibindi