[Description] Two fluid (typically liquid) propellants are introduced through injectors into combustion chamber and burnt [Advantages] Up to ~99% efficient combustion with excellent mixture control, throttleable, can be used with turbopumps which permits incredibly lightweight tanks, can be safe with extreme care [Disadvantages] Pumps needed for high performance are expensive to design, huge thermal fluxes across combustion chamber wall can impact reuse, failure modes include major explosions, a lot of plumbing is needed. [Type] 
Bipropellant rocket