¼ö¿µÀå (Swimming pool) |
°£À̼öµµ°ø±Þ½Ã½ºÅÛ (Small water-supply
system) |
»ó ¡¤ Çϼöµµ (Water supply and drainage) |
Çϼöó¸®Àå(Water treatment) |
ÁßÈÁ¦ÁÖÀÔ (Neutralizer adding) |
º¸ÀÏ·¯ ½ºÄÉÀÏÁ¦°ÅÁÖÀÔ(Boiler scale cleaning) |
Á¤ÈÁ¶ ÅÊÅ©(Water-purifier tank) |
°¢Á¾ ¾à¾×ÁÖÀÔ(Chemicals pouring) |
ÁöÇϼöó¸®(Well water puming) |
¿ë±â¼¼Ã´Á¦ÁÖÀÔ(Container cleaning) |
¹æÃ»Á¦ ÁÖÀÔ(Rust preventive adding) |
|