вуглецева гарматна сталь
steel (cold steel)
carbon fiber / carbon fibre (CF)
gun steel alloys
appliqué steel armor
caterpillar steel track
cold steel/ weapon
electro-slag refined (ESR) steel
high-strength steel
homogeneous steel casting
single-strand, high-strength, spring-steel wire
steel bar
steel core
steel helmet
steel obstacle
steel shaft
steel spheres
all-welded cast steel turret
anticorrosive barrel steel
armor steel door
armor steel fuel tank
hard steel plug
steel-tube framework
welded steel-tube framework
silicon-manganese steel
neutron-resisting boron-composite steel armor
carbon
carbon dioxide
carbon monoxide
carbon sheet
carbon-composite material
residue (carbon)
carbon accumulation