вертикально ковзний затвор
horizontal sliding wedge-type breech
crank-sliding block
breech block pivoted below the level of the chamber
blow-back breech block
breech block
breech-block carrier
breech-block crank
breech-block detent
wedge-type breech-block
face of breech block
vertical wedge-type breech mechanism
cylinder block (engine block)
feed block slide (feed-block-actuating slide)
instantaneous vertical speed indicator / instantaneous vertical-speed indicator (IVSI)
pressure tight sliding door
bulkhead sliding
declutch sliding clutch
double-sliding target
horizontal sliding wedge breechblock
sliding bearing
sliding cylinder
sliding window
cargo cabin sliding door
sliding canopy
sliding door
sliding flow
sliding motion of a liquid
sliding valve
sliding hatch
sliding slat
closed-breech scavenger system
oil system block