<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?kujenga tovuti katika html5 ni uwekezaji wa wakati mmoja, kwa bei ndogo inaweza gharama kwa dola za 2,000 au zaidi, kwa kutegemea kile unachotaka, lakini imara, na una udhibiti kamili juu ya jinsi utaangalia na kufanya kazi.  <response>: the basic kit sells for about 10 in the us approx. 5, but additional valves are very expensive for what they are, especially considering the ease and low cost of producing your own. 