low-carbon
low-energy
low-enriched
lower
lower-dimensional
lowering
low-grade
low-intensity
low-key
low-LET
  low-level
low-orbit
low-pass
low-priority
low-toxic
low-yield
loyalist
loyalty
LPAR
LRCCM
LRINF

    low-level radiation

    радиация низкого уровня