Textile Encyclopedia Water Jet Filling Insertion Type of loom that uses a jet of water to propel the filling yarn across the warp shed. Not used with hydrophilic yarns, such as cotton, since the yarn would absorb the water and the fabric would mildew before drying. Related Terms: Air Jet Filling InsertionAir Jet WeavingFilling Insertion MethodsProjectile Filling Insertion SystemRapier Filling InsertionShuttle Weaving Insertion System