Jan 25, 2021 · The well-known fabrication methods for BCs are hand lay-up, compression molding, RTM (resin transfer molding), VARTM, extrusion, and injection molding. Hand lay-up. Hand lay-up is a simple and old open mold technology used for the fabrication of BCs. This method is suited forPerfect components as it is a low-volume and labor-intensive technique