Usually softer and more pliable threads that pass from side to side across the warp threads
wings, engine(s), fuselage, tail Method used to learn aircraft's major parts for recognition training
Threads which run crosswise across the weave of a fabric Sometimes called the Woof
The horizontal foundation strands which are passed over and under the warps at right angles Besides helping to lock the knots into place, wefts together with warps make up the foundation of a rug