power saving:High
noise:Low
efficiency:High
type:Medium Frequency
maintenance:Low
safety:High
power saving:High
safety:High
type:Medium Frequency
maintenance:Low
noise:Low
safety:High
safety:High
power saving:High
failure:Low
noise:Low
type:Medium Frequency
failure:Low
power saving:High
noise:Low
failure:Low
power saving:High
maintenance:Low
efficiency:High
maintenance:Low
failure:Low
power saving:High
power saving:High
noise:Low
failure:Low
maintenance:Low
power saving:High
safety:High
type:Medium Frequency
efficiency:High
power saving:High