A directly actuated injection valve comprises a hollow valve housing, a valve needle disposed within the hollow interior, a needle spring and a tubular magnetostrictive actuator assembly disposed in an annular space around a portion of the valve needle. Each module is preferably formed through injection molding of ABS plastic into a rectangular solid shape with an open front and carries a projection on flanges on two of its sides while two other sides carry a complementary recess on flanges, allowing one module to interlock with a similar module to form a customizable storage system. The propelling charge holder is maintained in place during launch by an igniter holder, and by folding fins of the projectile. The well servicing fluid is introduced into the well. A stem is formed by the attachment end and includes an end segment movable relative to a main segment between a first, linearly-aligned position, and a second, normally-oriented position for facilitating selective mounting of the support on vertical and horizontal substrates. One embodiment comprises arranging at least one metal shape to define boundaries of a casting dam, lining the boundaries with ceramic fiber paper to create a containment including the at least one metal shape and the ceramic fiber paper, inserting glass in the containment, and firing the glass and the containment in a kiln to cast a glass shape corresponding to a portion of the containment.