Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Rock Bolting (information card)
British Coal
(publisher)
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
Creu/Cynhyrchu
Derbyniad
donation, 1/2/2001
Mesuriadau
Meithder
(mm): 172
Lled
(mm): 105
Deunydd
cerdyn
Plastic
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.