Shenhai Explosion-Ubungqina
IMethane, irhasi yemichiza, ihlelwa njengesixhobo esiyingozi. Ichongwe phantsi kwe-UN1971, ihlelwa njengeKlasi 2.1 igesi enokutsha.
Xa uthumela ngaphandle, imethane inokuthuthwa ngeendlela ezahlukeneyo eziquka uthutho lwaselwandle, uloyiko lomoya, kunye neenkonzo zokuthumela ikhuriya.