It stands for hydrocarbons
Ask a pharmacist or a doctor.
HC stands for High Cube
High Hydrocarbon (HC) emissions are almost always a sign of poor fuel ignition. Hydrocarbons are basically raw fuel. PPM (parts-per-million) is a way of quantifying small concentrations.
No, you get to keep all your hc furni.
HC on an ultrasound means Head Circumference.
You can only buy HC furniture in habbo if you join the Habbo Club (HC). Joining HC costs around 30 coins per month, and will give you one free HC item per month. If you are not HC, you can still have the furniture, but you can not buy it from the catalogue.
Normally, HC gas is Hydrocarbon.
HC Most was created in 1951.
Thüringer HC was created in 2000.
HC Merano was created in 1968.
HC Davos was created in 1921.