The above approaches can be combined in a way that they maintain reciprocal relations.

Each one of the above approaches had its strong points.

In either situation the above approach is the way Christians should contribute to managing industrial relations.

One method extends the above approach in a natural way.

A problem with the above approach arises when the functional value is zero.

A combination of any of the above approaches can also be used to store solar energy.

Investment in new technology has similar characteristics and the above approach may again be worth contemplating, but there are also other matters to watch for.

It is also possible to additively combine two or more of the above approaches.

The above approach is clearly only one amongst several that might be fruitful.

Both of the above approaches to the personal have value.