Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Rock Bolting (information card)
Information card highlighting the factors affecting bolt efficiency and the personal attributes required to train as a roof bolting operator. Yellow and blue card laminated in plastic.
Pwnc
Diwydiant
Rhif yr Eitem
2001.1/790
Mesuriadau
Meithder
(mm): 172
Lled
(mm): 105
Dosbarth
education and trainingNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.