Mitragyna speciosa is an evergreen tree that can grow to a height of 25 m (82 ft) tall and the trunk may grow to a 3 ft (0.91 m) diameter. The trunk is generally straight and the outer bark is smooth and grey.
Overall though, metal is a much better option than plastic. In most cases, it is much more effective and reliable, and the right choice of metal will avoid the pitfalls of rust or weakness. Aluminium, steel and stainless steel are the three metal gutter materials for guards that homeowners can choose from.
Prewired conduit, or armored cable, offers an all-in-one solution with the wires already run through the flexible conduit. Generally made of PVC, rigid nonmetallic conduit is a good choice for outdoor residential applications, such as wiring landscape lighting or burying cables.PVC doesnât rust and the pieces are glued together with PVC cement making connections watertight.o learn more about conduit fittings, see our Fittings Buying Guide. Flexible metallic conduit bends and twists easily, allowing turns at corners without the use of separate elbow joints. It is often used where rigid conduit is difficult to install or to connect permanently wired appliances, such as a water heater.