When a horse runs with there head up it ether means that they are hurting and trying to release the pressure or they are trying to get away from the pressure of their bit. If these are not problems you can use a martingale as a training tool only.
what is a wooden barrel that holds liquid cald
A cask or a drum is a wooden barrel that holds liquid.
A barrel that holds liquid can be a keg, a cask, a drum, a butt, a hogshead, a tub, a butt, or a cistern.
vat
Depends on the size of the barrel. An oil barrel holds 42 gallons. But a 55 gallon barrel holds 55 gallons. Gasoline is not stored in barrels in the first place, it is stored in tanks which vary in size.
fwerwef
Not a generally used term- it would be the portion of a gun that holds the barrel. Not present on all guns.
Keg?
About 19.6 gallons per barrel of crude oil. Each barrel holds 42 gallons of oil.
Cask
Correct
You have to remove the barrel. Take the stock off and you will see the nut that holds a "U" clip in place. The clipp holds the barrell. Remove clip, slide barrel out, then the bolt will also slide out.