3 ms·
It could be useful in non-office situations too. E.g. on the London underground where you are stuck in a tim-can for 5-20 mins etc without any fresh air circul
by mattlondon 5y ago
It could be useful in non-office situations too. E.g. on the London underground where you are stuck in a tim-can for 5-20 mins etc without any fresh air circulation