Da bututun ƙarfe shine mafi mahimmancin ɓangare na UV mai faɗakarwa, yayin da lokaci ya wuce, bututun ƙarfe zai buƙaci cire wasu matsaloli, kuma wasu matsaloli zasu buƙaci cire wasu matsaloli, kuma wasu matsaloli zasu buƙaci cire wasu matsaloli, kuma wasu matsaloli zasu buƙaci cire wasu matsaloli don sarrafawa {{1} don haka ya kamata a kula da su.
1. ir to, wani rauni ne mai rauni, ko ma ya zama karamin bututun a cikin {{3} inna da aka clated {{3}
2. yi hankali lokacin shigar da bututun ƙarfe, tabbas ƙarfin kafa ba ya cikin motsi daga cikin wuri {{3} Bayan goshi ba da sauƙi ba, ba bayan hannunmu ba jin shi .
3. }} shaft yakamata ya kasance mai tsabta da santsi, zamu iya amfani da takarda a cikin bututun, kuma zai lalace kai tsaye a cikin bututun, kuma zai lalata.}
4.} eng kawai a shigar, za a sami iska a ciki {{1} Don haka ba za a iya amfani dashi nan da nan. Kawai iska na bututun ƙarfe an cire shi gaba daya, duk nozzles na iya fesa tawada .}
