Sets out recommendations for mechanical engineering drawing practice. Provides information on surface texture and welding, and the simplified representation of pipelines. Provides details on springs, gears, splines, rolling element bearings, seals and knurling. Appendices provide guidance on the tolerance of machined components and castings.RECONFIRMATION NOTICETechnical Committee ME-072 has reviewed the content of this publication and in accordance with Standards Australia procedures for reconfirmation, it has been determined that the publication is still valid and does not require change.Certain documents referenced in the publication may have been amended since the original date of publication. Users are advised to ensure that they are using the latest versions of such documents as appropriate, unless advised otherwise in this Reconfirmation Notice.Approved for reconfirmation in accordance with Standards Australia procedures for reconfirmation on 6 December 2013.The following are represented on Technical Committee ME-072:Australian Institute of ArchitectsBuilding Designers Association of NSWDesign Association of New ZealandDepartment of Defence (Australia)Department of Education , Training and Employment (South Australia)Engineers AustraliaMaster Builders AustraliaTAFE NSWThe University of AdelaideThe University of New South WalesUniversity of South Australia