28 extend forwardly from motors 25, 26, respectively, to transmissions 29, 30, at opposite sides of the boom 15, from which the mining head 13 is driven. The motors 25, 26 also provide power for driving traction treads 11, 12. Drive connections 31, 32 extend rearwardly from motors 25, 26, respectively, to transmissions 33, 34 at opposite sides of the main frame 20 for delivering the drive to the traction treads 11, 12.
In the mining operation the material cut and broken out of the mine face 14 falls to the floor 17. There is a gathering head 35 at the front of the mining machine 10, below the boom 15. The gathering head 35 has an apron or deck 36 with its leading edge at the floor 17.Ogham (᚛ᚑᚌᚐᚋ᚜)

Ogham is an alphabet that appears on monumental inscriptions dating from the 4th to the 6th century AD, and in manuscripts dating from the 6th to the 9th century. It was used mainly to write Primitive and Old Irish, and also to write Old Welsh, Pictish and Latin. It was inscribed on stone monuments throughout Ireland, particuarly Kerry, Cork and Waterford, and in England, Scotland, the Isle of Man and Wales, particularly in Pembrokeshire in south Wales.

The name Ogham is pronounced [ˈoːm] or [ˈoːəm] in Modern Irish, and it was spelt ogam and pronounced [ˈɔɣam] in Old Irish. Its origins are uncertain: it might be named after the Irish god Ogma, or after the Irish phrase og-úaim (point-seam), which refers to the seam made by the point