Final answer:
To transport two liters of flammable liquid labeled poison inhalation hazard, you would need to use placards that indicate both the flammability and the poison inhalation hazard. The placard for flammable materials is a red diamond with a flame symbol, while the placard for poison inhalation hazard is a white diamond with a skull and crossbones symbol.
Step-by-step explanation:
In transporting two liters of flammable liquid labeled poison inhalation hazard on the shipping paper, you would need to use placards that indicate both the flammability and the poison inhalation hazard. The placard for flammable materials is a red diamond with a flame symbol, while the placard for poison inhalation hazard is a white diamond with a skull and crossbones symbol.