A knife is a simple machine, its a wedge.
No, Cyber Valley is a Machine-type monster.
simple machine
A knife is a wedge.
A wedge
A pocket knife can cost from $0.20-$1.000
A knife is actually a compound machine as it is both a wedge (the cutting edge) and a lever (as it is normally used in cutting things).
wedge
No. Cyber Phoenix can only negate Spell or Trap effects that target 1 Machine-type monster. Limiter Removal does not target.
no because a knife belongs to a kind of simple machine that is wedge
yes because it has no parts.
A wedge