7. A temporary frame built just outside the corner of an excavation to carry marks that lie on the surface planes of the basement that will be built in the excavation
43. Compressor/Condenser- the outside unit of heat pump. Fan pulls air across a line of refrigerant and changes temperatureAir Handling unit- moves and conditions air through duct work. A fan sucks in new and return air and recirculates it
44. Insulation- a material that has low thermal conductivity. Used to keep building warm in the winter and cool during the summer Loose Fill Batt Blanket Ridge Board