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Introduction A standard formulation of paint stripper based on dichloromethane will contain an activator to promote the rate of solvent action, either an acid—especially formic acid—or an amine such as ethanolamine. A frequent method of application is to arrange the components on jigs or in baskets, followed by immersion in stripping solution subsequently flushing off the loose paint by water jets. To minimize loss of volatile dichloromethane the immersion tank carries a water seal floating on the surface of the organic phase.

Performance feedback about whether responses are correct or incorrect provides valuable information to help guide learning. Although feedback itself has no extrinsic value, it can produce subjective feelings similar to “rewards” and “punishments.” Therefore, feedback can play both an informative and a motivational role. Over the past decade, researchers have identified a neural circuit that processes reward value and promotes reinforcement learning, involving target regions of dopaminergic input (e.g., striatum and ventromedial prefrontal cortex). Importantly, this circuit is engaged by performance feedback even in the absence of reward. Recent research suggests that feedback-related brain activity can be modulated by motivational context, such as whether feedback reflects goal achievement, whether learners are oriented toward the informative versus evaluative aspect of feedback, and whether individual learners are motivated to perform well relative to their peers. This body of research suggests that the brain responds flexibly to feedback, based on the learner’s goals.

This chapter considers the mobilities of families subject to child protection involvement at the threshold of the birth of a new baby. The author presents data arising from an ethnographic study of child protection social work with unborn babies. This study aimed to draw near to social work practice within the Scottish context through mobile research methods and included non-participant observations of a range of child protection meetings with expectant families. Research interviews were sought with expectant mothers and fathers, social workers and the chair persons of Pre-birth Child Protection Case Conferences. Case conferences are formal administrative meetings designed to consider the risks to children, including unborn children. This chapter focusses on the experiences of expectant parents of navigating the child protection involvement with their as yet unborn infant. The strategies that parents adopted to steer a course through the multiple possibilities in relation to the future care of their infant are explored here. Three major strategies: resistance, defeatism and holding on are considered. These emerged as means by which expectant parents responded to social work involvement and which enabled their continued forwards motion towards an uncertain future.

The concept of leadership is an oft-discussed issue among practitioners and scholars alike without regard to culture, background, or organizational affiliation. Based on our international experiences, leadership is an art that is traditionally taught as a science which is impacted via various psychological concepts. It is both a natural phenomenon and a learned attribute that is planted, nurtured, developed, and tested over time. Certain leadership approaches are formal, only succeeding in formal settings and environments while others are dependent upon conditioning of the leader. Regardless of one’s leadership style and characteristics, it is critical that both leaders and followers define and understand the variances between failure and success within an organization. This chapter addresses international leadership styles and the psychological theories that support differing approaches assisting the reader to more clearly understand and identify the subtle differences in the development of a successful leader and organization from global perspectives.

Engagement, motivation, and persistence are usually associated with positive outcomes. However, too much of it can overtax our psychophysiological system and put it at risk. On the basis of a neuro-dynamic personality and self-regulation model, we explain the neurobehavioral mechanisms presumably underlying engagement and how engagement, when overtaxing the individual, becomes automatically inhibited for reasons of protection. We explain how different intensities and patterns of engagement may relate to personality traits such as Self-directedness, Conscientiousness, Drive for Reward, and Absorption, which we conceive of as functions or strategies of adaptive neurobehavioral systems. We describe how protective inhibitions and personality traits contribute to phenomena such as disengagement and increased effort-sense in chronic fatigue conditions, which often affect professions involving high socio-emotional interactions. By doing so we adduce evidence on hemispheric asymmetry of motivation, neuromodulation by dopamine, self-determination, task engagement, and physiological disengagement. Not least, we discuss educational implications of our model.

To examine the ways in which sports-related brain injury (concussion and subconcussion) is both similar to and different from other injuries and to set out a sociological understanding of the injury, its manifestation and management.

There is a broad contextualization of the ‘issue’ of concussion and the processes that have brought this to the fore, an examination of the ways in which concussion has been figuratively clouded from plain view, and an outline of the main contributions of the social sciences to understanding this injury – the culture of risk and the mediating effect of social relationships. The chapter concludes by questioning whether the emergence of concerns over chronic traumatic encephalopathy has stimulated a fundamental change in attitudes towards sport injuries, and if this has had a significant impact on the social visibility of concussion.

The two available sociological studies of the lived experiences of concussion are situated within a broader analysis of the politicization of sports medicine and the emergence of a particular social discourse around sports-related brain injury.

The difficulties emanating from the dominance of a biomedical approach to concussion are discussed along with the need for further research, incorporating a more holistic view of concussion, as a bio-psycho-social phenomenon.

10. In selecting the places which we visited our aim was to see the manufacture of condensed milk and other dairy products under different conditions and to obtain as representative an idea as possible of the circumstances under which the whole process, from the milking of the cow to the final stage of manufacture, was conducted. Accordingly we visited the following places:—