Subject
Dynamics.
1
Education -- Experimental methods.
1
Educational change.
1
Elasticity.
1
Fluid dynamics.
1
Mathematics -- Study and teaching (Secondary)
1
Mechanics, Analytic.
1
Mechanics.
1
Science -- Study and teaching (Secondary)
1
Wave-motion, Theory of.
1
Waves
1
X-ray beam
1
X-ray metallography
1
eddy current
1
electromagnetic testing
1
gamma radiation
1
health care
1
health education
1
infectious disease
1
nondestructive testing
1
public health
1
vacuum technique
1