What does HHWS stand for?
HHWS stands for "Heating Hot Water Supply"
How to abbreviate "Heating Hot Water Supply"?
"Heating Hot Water Supply" can be abbreviated as HHWS
What is the meaning of HHWS abbreviation?
The meaning of HHWS abbreviation is "Heating Hot Water Supply"
What does HHWS mean?
HHWS as abbreviation means "Heating Hot Water Supply"
