Ua lilo nā keypads silicone-rubber i koho kaulana i waena o nā mea nona nā ʻoihana a me nā ʻenekinia mīkini. ʻIke ʻia hoʻi he mau keypads elastomeric, ola lākou i ko lākou inoa ma ka hōʻike ʻana i kahi kūkulu silicone rubber palupalu. ʻOiai ʻo ka hapa nui o nā keypads ʻē aʻe i hana ʻia me ka plastic, ua hana ʻia kēia mau mea me ka silicone-rubber. A ʻo ka hoʻohana ʻana i kēia mea e hāʻawi i kekahi mau pono kūikawā i loaʻa ʻole ma kahi ʻē. Inā hoʻohana ʻia lākou i loko o kahi hale kūʻai, hale hana, keʻena a i ʻole ma kahi ʻē aʻe, he koho maikaʻi loa nā keypads silicone-rubber. No ka ʻike hou aku e pili ana iā lākou a pehea lākou e hana ai, e hoʻomau i ka heluhelu.