Attachments for excavators; Bucket excavators; Double shell grippers for excavators; Excavators; Excavators (earth working machines); Excavators for hydraulic expansion machines; Loader buckets for excavators; Mini excavators; Power trains for mechanical excavators; Power transmission apparatus for mechanical excavators; Machines for excavating earth; Machines for excavating rock; Power operated excavating machines; Buckets for earth moving machines; Earth boring apparatus (machines); Earth diggers (machines); Earth moving machines; Earth working machines; Hydraulic breakers for frozen earth breaking; Machine tools for breaking up earth; Machines for collecting earth; Machines for removing earth; Machines for scraping earth; Grabs (parts of machines); Ground engaging machines