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This paper is not about work or labour itself, and how it changes historically in South Africa (from pastoral, to agricultural and industrial; native labour, wage labour, migrant labour etc.), but about how the meaning of 'work' and 'labour' itself changes. What we want to suggest, is that an 'original' meaning of the tasks/duties associated with 'work' was 'woman': ukusebenza. What men did, does not constitute 'work' but something else entirely: raiding, moving, occasional, going etc.: ukuphangela. It is in the latter term, ukuphangela, that the term 'raid' emerges, and the argument draws on this notion and meaning of raid to underscore the re-thinking of gender, the subject and her relation to work, and history. The paper operates in two registers, focusing on the historic meanings of work and labour in the Eastern Cape and tracing lateral translations of these meanings into East London in the 1950s. It argues that in re-thinking meanings of labour and work through multiple temporalities, and through the contested meanings of the isiXhosa terms ukusebenza and ukuphangela, these word fragments are read as 'entryways to a wordliness' that puts lateral universals and temporalities of work back into circulation. As such, we pose the question rather, following Anne Kelk Mager and Helen Bradford, of whether it is gender (and what it means to be a man or a woman) that is at the forefront not only of class and race struggles, but of what comes to constitute the meaning of 'work', a concept whose provenance and meaning changes, as we have noted, with the making of modernity, industrialisation/capitalism, and the 'Europeanisation' of the world.

This discussion originally took place as part of the Sounding the Land exhibition curated by Simon Gush, Helena Pohlandt-McCormick, Craig Paterson and Gary Minkley at the virtual National Arts Festival that ran from 25 June 5 July 2020. Sounding the Land (https://soundingtheland.co.za/) intended to use the bicentennial of the so called 1820 settlers' arrival as a critical platform from which to discuss the legacies of the settler colonial project, the ways in which it is commemorated, and to reassess the historical understandings of the 1820 settler moment in South African history. In the following discussion, which took place via Zoom Video Communication and was originally recorded on 2 June 2020, between Leslie Witz in Cape Town (6 pm South African time) and Helena Pohlandt-McCormick in San Francisco (9 am Pacific time) they talk about the cyclical and accumulative power of anniversary and commemoration, the ways they set in place temporal certainties that align past, present and future, and how configurations of memorial space through visual technologies are authoritative mechanisms in establishing the time and times of history. They discuss strategies of resisting such memorial power and whether the simple inversion of historical figures and events may inadvertently serve to reinforce anniversary histories of founding. By linking the contemporary moments of the interview the COVID-19 pandemic, the postponement of settler commemorations, the virtual National Festival, and the killing of George Floyd in Minneapolis they consider dystopian futures as inaugurating the possibilities of disruptive memorial time that constantly exposes the fractures of racial violence and colonial dispossession rather than masking it through either the commemoration or the inversion of the anniversary.

Electric powertrains are increasingly used in off-highway machines because of easy controllability and excellent overall efficiency. The main goals are increasing the energy efficiency of the machine and the optimization of the work process. The thermal behaviour of electric machines with dynamic workloads applied to is a key design factor for electric powertrains in off-highway machines. This article introduces a methodology to model the thermal behaviour of electric machines. Using a noncausal modelling approach, an electric powertrain is analysed for dynamic workloads. Cause-effect relationships and reasons for increasing temperature are considered as well as various cooling techniques. The validation of the overall simulation model of the powertrain with measured field data workloads provides convincing results to evaluate numerous applications of electric machines in off-highway machines.