English: mobile bowser
Welsh: bowser symudol
Subject: Amgylchedd
Welsh definition: A mobile bowser is an oil container that may have wheels or be transported on or by another vehicle, but it can't move under its own power.
Plural: bowserau symudol
Notes: Dyma’r term a ddefnyddiwyd mewn deddfwriaeth ar storio olew. Mewn cyd-destunau mwy cyffredinol, gallai ‘tanc’ neu ‘tancer’ fod yn fwy addas na ‘bowser’ oni bai bod hynny’n peri amwysedd yn y testun.