1. Please provide updates on new NBC initiatives that are currently in process or are. scheduled. We are particularly interested in: the processing of stand-alone Forms I-. 130; the processing of interview-waiver eligible Forms I-485 and work allocations.
Shoring (Shoring System): a structure that is built or put in place to support the sides of an excavation and designed to prevent cave-ins. Sides: See Faces. Sloping (Sloping System): sloping the sides of the excavation away from the excavation to protect employees from cave-ins.
Types of archaeology trowels. Two main types of archaeology trowels are available- margin trowels and pointing trowels. Margin trowels are generally used for shaping and squaring up your excavations; pointing trowels are typically used for normal digging and fine work. The pointing trowels come in two designs- the London and Philadelphia blades.