1.   Experimental work is going on in the production of educational software for videodisc.

2.   First, in his experimental work he has achieved performances that match existing systems.

3.   He was most concerned that philosophical solutions to problems could not be verified with out experimental work.

4.   Nevertheless, especially in experimental work, cases often arise where the number of equations exceeds the number of unknowns.

5.   Nevertheless, the rewards of finding satisfactory solutions are high enough for experimental work to be continued.

6.   Systematic combinatorial methods are used in their reasoning and in their experimental work.

7.   The parameter was originally considered to be a universal constant, but experimental work suggests that it is a function of the solvent, molar mass, and heterogeneity.

8.   For development purposes, one of the old cards will not be removed, its small capacity being used for trails and experimental work.