A system for providing modeled components is described. A lens holding frame in which a fulcrum portion is tiltably supported by a fulcrum supporting portion is fixed to a lens barrel by tightening a first screw to a first connection portion and a second screw to a second connection portion. A bottommost boundary of the contact layer is disposed above a bottommost boundary of the surface layer. , a free nucleobase, a nucleoside or a nucleotide. wherein optimized machine instructions are generated based on an intermediate representation of a program, wherein either two atomic tasks are merged into a single coalesced transaction or are executed as separate transactions.