It means Special Trailer Service. It is not to be used on motor vehicles. It is for boat, utilily, or trailers.
The ST means it is a trailer service only tire. P is passenger and LT would be Light truck.
A/P - Air Pressure .
There is a seam in the tire
A dog can bite a truck tire, however it can't perforate the tire, even a lion could not do that.
Click on the left truck tire. It should take you to a close-up of the tire. Click on the little tab on the tire to empty air out of the tire. Once you've done it enough, the man gives you a camera. This is very important on your journey.
It means tread from the tire of an 18 wheeler on the road.
The spare tire is under the rear of the truck.
A light truck tire is most useful for smaller pick up trucks and small SUVs. If you are not hauling a lot and just using the truck for driving around and hauling small items a light truck tire would be fine.
15 FEET
On a light truck tire' F' is a 12 ply load rating. This is only part of the information because you have chosen NOT to give us the whole tire number. we need all info to give a correct answer.
We have no idea what your truck is or what you use the truck for.
It is dependent on the tire materials, pressure, and the outside temperature. So, research your tire specs.