The invention is a method and apparatus for iron-makingsteel-making using a modified rotary hearth furnace, that is a finisher-hearth-melter furnace. The hunting blind, in one embodiment, includes a base comprised of a metal exterior with metal support crossbars configured to support the weight of a human and be elevated above ground level using three or more separate legs. The present invention can effectively save the CPU resources of the virtual desktop server. The adjustable mount includes a rail and a locking mechanism. The opening serves as a first-end opening of the intermediate housing along the longitudinal axis of the vehicle. The distribution valve has a section of elliptical or oval shape, corresponding to the shape of the nostril and it has a distribution nozzle having elliptical or oval shape in order to obtain a more uniform distribution of the medicament on the inner mucosa of the nasal cavity.