20 canlyniad
Rhestrir y canlyniadau yn ôl perthnasedd.
Cymraeg: adeg awyru
Saesneg: airing times
Cymraeg: awyru
Saesneg: ventilation
Cymraeg: aradr awyru
Saesneg: soil aerator
Cymraeg: gwyntyll awyru
Saesneg: ventilation fan
Cymraeg: offer awyru
Saesneg: cooling vents
Cymraeg: rheolydd awyru
Saesneg: ventilation control
Cymraeg: awyru stac goddefol
Saesneg: passive stack ventilation
Cymraeg: awyru stac goddefol
Saesneg: PSV
Cymraeg: Gwresogi ac Awyru
Saesneg: Heating and Ventilating
Cymraeg: hollt awyru integrol
Saesneg: integral trickle vent
Cymraeg: Gosod Gwres ac Awyru
Saesneg: Heating and Ventilating Installation
Cymraeg: gwresogi, awyru ac aerdymheru
Saesneg: heating ventilation and air conditioning
Cymraeg: gwresogi, awyru ac aerdymheru
Saesneg: HVAC
Cymraeg: Cywiro System Gwres ac Awyru
Saesneg: Heating and Ventilating Rectification of System
Cymraeg: Gosod Gwres ac Awyru Domestig
Saesneg: Heating and Ventilating Domestic Installation
Saesneg: Heating and Ventilating Industrial & Commercial Installation
Saesneg: Heating and Ventilating, Refrigeration and Air Conditioning
Saesneg: assisted stack ventilation
Saesneg: Heating and Ventilating Maintenance of System Components
Saesneg: Installing Industrial and Commercial H&V - Ductwork Systems