Was the strike a symptom of the awkward evolution of the social housing sector? "That tension is there," Davies admits.
His Army service in sectors of tension and upheaval got him interested in the investigation and analysis of terrorism.
Many in the sector have highlighted the tension between the two standpoints.
The insularity of current health sector advocacy is in tension with the recognition that health is integral to sustainable development, and that sustainable development is essential for health.
As with last week's 27-vote (plus 10 abstentions) Labour revolt against the introduction of the private and voluntary sector into probation work, the tension lies between rival claims of choice vs fairness and accountability.
Meanwhile, tension over public sector pay was raised on Wednesday when Unite, Unison and GMB formally submitted a claim for a "substantial increase" in pay for 1.6 million local government workers in England, Wales and Northern Ireland.
Says Rebecca Mark, chairman and chief executive of Enron International: "Given the sheer bureaucratic tension, the private sector is going to have to get more sophisticated and creative all the time to play a significant role [in Asian infrastructure]." As Asian public opinion becomes more vocal about environmental pollution, you can look for more problems in infrastructure building.
As with grassroots mobilization and political party radicalism, Brazilians are likely to pursue a changing mixture of economic polices, maintaining the tension between private sector and government initiative.
The ongoing erosion of vital services formerly provided by the public sector generated considerable frustration and tension among households, networks of extended kin, and neighbors.
In the UK, the last five years of Tory government, and the prospect of at least 10 more, have stoked tensions in the sector between those comfortable working with a right of centre government and those whose ideology or strategy can't stomach it.
