An automatic choke apparatus for use in an internal combustion engine. The block model for each physically separate rock block represents intra-block mechanics of the rock block by finite element method. A determination is made whether a page to which a memory access request is directed is located in the cold tier in the memory. The inventive formulation thus permits removal of such accumulated humic acid from the topsoil to the level necessary to provide effective moisture penetration for sustained grass growth therein. The data and energy transmission takes place by means of electromagnetic field forces.