000			00610nam a2200157 4500
001			00303720
003			PWmBRO
005			20180323212316.0
008			000000n 00000 eng u
245	0	0	_aForce in materials.
300		1	_aVideocassette (VHS)(25 min.) : sd., col. 1/2 in.
500	0		_aThis programme is concerned with the effect that forces may have when they act inside materials particularly engineering materials. It looks at how different materials respond in different ways to the forces that act in them.
650			_aForce and energy.
650			_aMaterials--Testing.
942			_2ddc
999			_c25485 _d25485