solid-propellant rocket (solid-fuel rocket)

solid-propellant rocket engine / motor

unguided solid propellant rocket

solid propellant

solid-propellant charge

two-stage solid-propellant ballistic vehicle

segmented solid-propellant

solid fuel

Firedragon (solid fuel)

solid acid fuel cell (SAFC)

solid oxide fuel cell (SOFC)

solid rocket motor

liquid (rocket) propellant

liquid-propellant rocket engine

liquid propellant rocket engine

liquid-propellant rocket

rocket propellant

Proton Exchange Membrane Fuel Cell (PEM fuel cell, PEMFC)

solid masonry structure

solid retention time

all-solid launch aeroballistic

strap-on solid motors

lubricant solid film

solid type master rod

solid cloud cover

solid metal rotor blade

solid state

solid-body vortex

solid-state optical maser

liquid-propellant

propellant (powder)

propellant charge

propellant gases