The poncho liner consists of two layers of quilted nylon encasing a polyester batting. The ice buildup can impede airflow and eventually form a solid block encasing the coils. His shell is lined with a green encasing with small white spikes. A protective encasing prevents dirt from getting into the joint assembly. As with the exterior, there is masonry encasing interior structures. The insect will begin to struggle, triggering more glands and encasing itself in mucilage. Other, larger versions made of plastic encasing lesser balls are called Duotone balls. Toad off-world for further study after encasing them in special cocoons. The maps featured rectangular symbols encasing character names for the locations of administrative counties. Acids are also used to extract embryo skeletons from the egg encasing them. The jewel in his chest protected him by encasing him in ice. Ufer then developed a grounding scheme based on encasing the grounding conductors in concrete. This technology, using titanium as the encasing metal, became the standard by the mid-1970s. These symptoms are caused by the tumor encasing or infiltrating the heart. People began to use postage stamps instead, encasing them in metal for better protection.