<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?wanaweza kuwa rahisi kama safu moja au mbili za shaba, au katika matumizi ya wiani mkubwa, wanaweza kuwa na tabaka hamsini au zaidi.  <response>: they can be as simple as one or two layers of copper, or in high-density applications, they can have 40 layers or more. 