(a) There is no need to check out item 2 EMIEW1, whose only import is to spell out what the acronym means
("EMIEW stands for "Excellent Mobility and Interactive Existence as Workmate")
(b) EMIEW2 can stand/move upright or have knees bended.
(c) Hitachi EMIEW2 (Feb 2012). Uploaded by plasticpals1 on Feb 21, 2012. http://www.youtube.com/watch?v=jUgFnBPBxbo