The description of waste liquid tank is correct

A、Wasteliquidshouldbeclassifiedandpouredintothecorrespondingwastetank;
B、Usingwasteplasticbottleaswasteliquidbarrel,greenandenvironmentalprotection;
C、Thewasteliquidtankshouldbelabeledontheoutside,indicatingthetypeandmaincomponentsofwasteliquid;
D、Openstorage,easytouse