an eye for an eye and a tooth for a tooth
nonlinear sub-ODE with with an arbitrary power nonlinearity
a board with an inscription
A language with an extensible compiler
A state with an adequate legal system
aeration with an ejector
annealing with an electric field
anterior cervical instrumental system combining an intradiscal cage with an integrated plate
asbestos hood with eye-piece
be down with an illness
conical milling cutter with an angular circle
Decompression with an encircling method
Deuterium Lock with an external standard
effective sub-critical neutron multiplication factor k_s with an external neutron source
ejection set with an acuminate hole
elliptic hole with an edge-crack