Akwai nau'ikan tantunan lantarki daban-daban a kasuwa kuma farashinsu ya bambanta sosai. Amma abin da mutane ke bukata shine amintacce da kwanciyar hankali. Don haka, masana'antun kettle na lantarki a hankali suna amfani da sabbin dabaru - walƙiya Laser, don walda jikin tukwane.