ph meter, conductivity, salinity, turbidy, spectrophotometer, current meter, compass, altimeter, clinometer, meteran, theodolite, gps, pompa, sprayer, fogging, shading, perahu, pestisida, dll[11 Feb. 2012, 0:27:27]
ph meter, conductivity, salinity, turbidy, spectrophotometer, current meter, compass, altimeter, clinometer, meteran, theodolite, gps, pompa, sprayer, fogging, shading, perahu, pestisida, dl...l