Hi, welcome to OSM. Thank you for your edits however this one went a little wrong as the Cambrian is not in a tunnel here. I have fixed this.
Cheers Phil

Hi, this edit has gone a little wrong.
You have drawn a new driveway connecting to Rhos Y Madoc Road, however there was already a track (way/479144418). Your edit should have merged the two as you have now created a second junction which does not exist.
Please slow down and take more care, look at the existing objects and maybe improve them also. Mapping should not be a race against the clock.
Cheers Phil

Hi, welcome to OSM.
Thank you for your edit and I am inclined to agree with you. However rather than delete the object it would be better to restore the tags from an earlier version and make it a school again.
I will fix this later.
Cheers Phil

I suspect it should be wikipedia, rather than website.
Cheers Phil

Hi, thank you for your edit however the garage was already mapped but with the old name. I have removed your duplicate and updated the original object.
Cheers Phil

Hi, smoothness = bad is very misleading, it is is used to describe a rough track. It is not really appropriate to describe either The Burway or The Portway using these tags as they a both asphelt roads that are accessible to normal road vehicles.
Also please do not add unnecessary tags, foot=yes, oneway=no along with access=yes. They add clutter and make it hard for other mappers to spot the important tags.
Cheers Phil

Hi, in OSM a way represents a physically separated piece of road. Here you have mapped turn lanes (with no separation) as ways. This is entirely wrong.
If you want to map turn lanes please use lane tagging.
Cheers Phil

Please keep your changeset to sensible areas, the comment you have made implies this should have been at least two changesets.
Cheers Phil

Hi, welcome to OSM. Please could you explain what this is intended to be?

Hi, welcome to OSM. Thank you for your edit however it has gone a little wrong.

Firstly when 'fixing' things please try not to delete and start again, it is far better to try to improve things but the biggest problem is that you have deleted a section of public road and redrawn it a long private roads through a farmyard. This is a very big error that needs to be fixed.
When mapping please do not rely on aerial imagery, especially in areas that you are not familiar with but use other sources such as public gps traces, OS Opendata.

Please remember that OSM is now 12 years old and such a wild inaccuracy is unlikely to have not been spotted.

Please also make you changeset comments human readable, a failing of hot is that they encourage gobbledygook that local mappers are unable to understand. Cyclic redundancy check for example?

I hope you will take these comments as a means to improve your mapping, but the first rule should always be map where you know and hence learn to interpret the sources.

Cheers Phil

Hi, welcome to OSM. The correct term for a play park is a playground. I have corrected the tagging as this is not a park.
Cheers Phil

Hi, this edit has gone a little wrong, there is no "2nd" connection to Shaw Lane (Trunk). This driveway should end at Shaw Lane (Residential).
Cheers Phil

Hi, I think you had this right first time. This is a driveway into a school which is obviously private, you should not expect public access here.
Cheers Phil

Hi, this edit has gone very wrong. You have created a route though what is clearly a private area and would have some quite serious health and safety issues.
osm.org/directions?engine=fossgis_osrm_foot&route=52.96414%2C-2.66155%3B52.96457%2C-2.67005 is clearly very wrong.
Please slow down, mapping is not a race,and consider the obvious access problems you are creating when linking public highways via what are obviously private industrial sites. Access tags are vital in this case if we are not to try routing map users through private areas thus damaging the quality and reputation of OSM.
Cheers Phil

Hi, this edit has created a series of overlapping ways. Please take care to ensure that this does not happen.

Also please consider the obvious access problems you are creating when linking public highways via what are obviously private industrial sites. Access tags are vital in this case if we are not to try routing map users through private areas thus damaging the quality and reputation of OSM.

Cheers Phil

I have already commented on a similar changeset by one of your colleages and have yet to recieve a sensible response.
Parking aisles should be mapped within a car park. There is little point in mapping them alone, Please also map the car parks at the same time as this is the object type which map users actually need.
Cheers Phil

I would also suspect that motor_vehicle=no is unlikely. It is more common that deliveries are allowed to shops during certain hours. While I know you did not add this, maybe you could check the signs. If you need tagging help just ask.
Cheers Phil

Hi, this edit is incorrect. There is no prohibition of HGVs on Flaxfield.
From looking at Streetside imagery there is a sign saying 'Unsuitable for HGVs' but that is just advice, it has no legal meaning. If you want to you could add a note saying that the sign exists but please remove this and any other restrictions that have been based on this incorrect assumption.
Cheers Phil

Hi, just wondering why you deleted the school building from Holy Trinity Acadamy?
Cheers Phil

Hi, welcome to OSM. Thank you for you edit but it has gone a little wrong.
Mapping unrelated objects in unrelated area of the world should be avoided as it make peer review much harder. Please remember that OSM is a collaborative database.
A golfcourse should be mapped as leisure=golf_course, it is not a park.
I am not sure what the object you have added in the US is, but it appears random and incorrectly tagged and duplicates an existing object.
I am going to revert this change, please start by adding objects in your local area.
Cheers Phil