A running engine will begin to produce the heat necessary to allow the C.H. to melt the intake ice. Results The concept of relative safety extends itself to all matters of flying.
(A running engine; will begin; ) (A running engine; to produce; the heat necessary to allow the C.H. to melt the intake ice)
A running engine A running engine
will begin to produce
the heat necessary to allow the C.H. to melt the intake ice