"But at this point, without commercially viable systems in place, use of the term can only lead to confusing the consumer."

This rate is used to calculate the size and number of pits necessary for a viable septic system.

Day care is now a viable system of support for families that function perfectly effectively - but both parents work.

System 1 in a viable system contains several primary activities.

There isn't a viable system within 100 light years of here.

You cannot have a properly functioning military without support from a viable political system.

If it didn't work one way, it worked another, but there was always a viable system.

Secondly, the country needs to reform its constitution, in order for it to be able to build a viable system of government.

In Finland, there is a viable system for maternity and parental leave.

A viable system for statistics is an important basis for making good decisions.