альфа-частка
Alpha-Alpha
A – ALPHA/ALFA
alpha radiation
radioactive alpha and beta particles
alpha-trinitrotoluene
beta particle
particle beam
particle detector
particle-beam weapons
particle board
salt particle
sand particle
dust filter / dust shield, particle filter
dust particle
dust shield / dust filter, particle filter
particle filter / dust shield, dust filter
wave-motion particle orbital speed
soot particle