ʻOiai he mau ʻano like ʻole e hoʻolālā ai i nā keypad silicone-rubber, ʻo ka hapa nui he ʻano like ia i hana ʻia me ka mea silicone rubber a puni kahi kuapo uila ma ke kikowaena. Ma lalo o ka mea silicone rubber he mea conductive, e like me ke kalapona a i ʻole ke gula. Ma lalo o kēia mea conductive he ʻeke o ka ea a i ʻole ke kinoea inert, a ukali ʻia e ka pilina kuapo. No laila, ke kaomi ʻoe i lalo ma ke kuapo, hoʻololi ke ʻano o ka mea silicone rubber, a laila e hana ai i ka mea conductive e pili pololei me ka pilina kuapo.

Hoʻohana pū nā keypads silicone-rubber i nā ʻano hoʻoheheʻe compression o kēia mea palupalu a like me ka huʻa e hana i ka pane paʻi. Ke kaomi ʻoe i lalo i ke kī a hoʻokuʻu i kou manamana lima, e "pop" hou ke kī. Hoʻokumu kēia hopena i kahi manaʻo paʻi māmā, e haʻi ana i ka mea hoʻohana ua hoʻopaʻa inoa pono ʻia kāna kauoha.