If the table did not come with plugs, these must be custom made. There are no regular makers of these, so a local craft shop should be the first source to locate a maker.
Pocket billiards ("pool") tables have pockets. Carom billiards tables do not. Apparently the table in the video is a carom billiards table. Whether this was a specific choice or whether it just happened to be handy I don't know.
It is a Carom Game
A yellow pocket is the corner pocket on a snooker table which is nearest to the yellow spot.
There are 6 pockets in a standard table.
It was not a pool table if it only had 4 pockets if it was made since about 1800. A 4 pocket table is most likely a bumper pool table.
In your pocket or on a table in your house.
No.
An aquifer.
Probably not.
A sealed pocket of Air is inside the hollow center of a table tennis ball.
Yes. If the previous shot is "over" , then the cueball will be replaced.
You can purchase a table tennis table online at amazon.com. They offer free shipping on orders of $25 or more.