It depends on the type of "knocking noises" you're hearing. Usually knocking noises are caused either by spun or worn main bearings, or worn wrist pins. Either way, it means you need a new engine.
The different between a strike and a spare is the number of shots used in knocking all 10 pins down. A strike is knocking all 10 pins down in one shot. A spare is knocking all 10 pins down in two shots.
By knocking down all ten pins By knocking down all ten pins with the first ball in a given frame.
The bowling ball is better for knocking down pins because it is larger and alson has a larger mass
30
If you have all the parts out and clean. I have see it done. Freeze your wrist pins. heat your piston rod. Assemble quickly. This is the only way I know how with out a press.
Get the highest score possible, by knocking down as many pins as possible.
Spare
sway bar link pins
The bowling ball transfers its kinetic energy (energy of movement) to the stationary bowling pins.
a strike ( if you knock all the bowling pins down with one " throw " of the bowling ball )
''Pin cushions hold pins for sewing. They also sharpen the pins with the material that's in the center of it.'' -Quoted by my 7th grade sewing teacher.