“…As a systematic methodology, it can reveal the chaînes opératoires and tool structures of the lithic industry (Boëda et al, 1990;Inizan et al, 1999;Soressi & Geneste, 2011), and thus provides a uniform criterion for intra-and inter-site comparisons. An increasing number of sites in Southeast Asia and southern China have been (or are being) revisited with this approach (Bodin, 2011;Boëda & Hou, 2011;Forestier, 2000Forestier, , 2020Forestier, 2020;Forestier et al, 2005bForestier et al, , 2013Forestier et al, , 2017aForestier et al, , 2017bLi, 2011;Li et al, 2009;Li et al, 2014Li et al, , 2019aLi et al, , 2019bLi & Bodin, 2013;Wei et al, 2017;Zeitoun et al, 2008Zeitoun et al, , 2019Zhou, 2021;Zhou et al, 2019Zhou et al, , 2020, and researchers now confirm that it is a scientifically robust and efficient method for revealing and discussing lithic variability and distinguishing different technological ideas and systems. In this paper, the technological analysis of two Hoabinhian sites has clearly demonstrated variability in reduction sequences and tool types.…”