of Scuff
The best way to keep a briefcase from scuffing is to make sure the leather is genuine and authentic. If a bit of scuffing occurs, polish with hide the blemishes and keep it looking new and crisp.
to shuffle
The piston rings may be worn out .
Running an engine with broken piston rings will cause damaging scoring in the piston chamber, and is not to be recommended.
Steam pressure pushes the piston up. Atmospheric Pressure pushes the piston down.
No, it cant.
Using wood protection coating is best from scuffing. Also putting felt pads on the bottom of your furniture will also prevent this.
Blow by is caused when combustion gases get past the piston into the crank case. The cause will be piston, rings, or cylinder wall.
scuff, drag, shuffle, scuffle, shamble
The primary cause of broken piston rings is a lack of lubrication and excessive heat buildup. Broken rings create lost combustion and excessive oil burning.
The gap should be closed on piston rings because of if there will gap on piston rigs it cause leakage of gasses which are produced by the ignition of air-fule mixture to provide force on piston by which piston reciprocate in piston chamber, it provide power stroke. If there will be gap on piston rings power stroke will not be provide...... AMIT DAGAR