Q: 4.2.2 consumption of hfc as foam blowing agent and as propellant
A: 4.2.2 Consumption of HFC as foam blowing agent and as propellant

Q: however, usually several factors are at play at the same time.
A: However, usually several factors are at play at the same time.

Q: how is it possible not to see caress in hair?
A: How is it possible not to see caress in hair?

Q: simply talking, i thing that url monitoring script has to monitor all urls and add referral page lang code to it, if is missing, and then redirect to that url.
A:
Simply talking, I thing that url monitoring script has to monitor all urls and add referral page lang code to it, if is missing, and then redirect to that url.