9 canlyniad
Rhestrir y canlyniadau yn ôl perthnasedd.
Cymraeg: signalau
Saesneg: signals
Cymraeg: bocs signalau
Saesneg: signal box
Cymraeg: Peirianneg Signalau
Saesneg: Signal Engineering
Cymraeg: signalau clyfar
Saesneg: intelligent signalling
Cymraeg: signalau lliw
Saesneg: colour light signals
Cymraeg: erial sy’n uchel gynyddu signalau
Saesneg: high gain aerials
Saesneg: Electrical and Electronic Signal Reception
Saesneg: Health and Safety (Safety Signs and Signals) Regulations 1996 - Rheoliadau Iechyd a Diogelwch (Arwyddion a Signalau Diogelwch) 1996
Cymraeg: signal galwadau'r grid
Saesneg: grid demand signal