its purpose is if the engine was to extremely overheat it would blow out saving your block from cracking
A welsh plug is a soft metal dished plug that is inserted and expanded in place by lightly tapping on the crown. It is commonly used to plug holes.
The Welsh plug in the yoke is no longer sealed. The yoke will need replaced.The Welsh plug in the yoke is no longer sealed. The yoke will need replaced.
Initial consonant mutation in Welsh serves various grammatical functions, such as indicating possession, forming plurals, or marking different grammatical forms of words. It is a feature that reflects the complexity and flexibility of Welsh grammar.
If your asking about FREEZE OUT PLUGS then it has 8 of them.
a welsh plug is a plug in the side of the block and the heads. these fill the holes left after casting.they actually allow the sand to be removed that is used during casting so as you have a hollow block which allows for the water jackets. in the USA these welsh plugs are called freeze plugs. they really do not stop the coolant from damaging the block if coolant freezes they are specifically to block the casting holes
water freezes and expands popping the welsh plug
They seal oil/water/dirt out of the plug tube.
to preheat the air
to measure spark plug gap
it is the brown wire in a three pin plug
Comply with the plug and play standard
Comply with the plug and play standard