Other heat sources are from solids handling (such as anaerobic digestion and resultant methane flaring), heat from the mechanical equipment operation especially
aeration equipment etc..
Oxygen levels could be better, Conley said, adding that he hopes the Park District puts in
aeration equipment next year.
Not exact matches
Sales in both categories are good for the bottom line, but ornaments that require
aeration or electrical connections generate more revenue, since they require the necessary
equipment to operate them.