An adhesive tape construction is removable from one or more objects to which it is adhered and which is reusably separable within its construction so that an object can be separated from another and subsequently reconnected with one another. The programmable spectral switching section has a first lens for directing light toward a dichroic separator that separates the multispectral image bearing light into a plurality of discrete spectral bands, each directed to an optical switch. The tanks are formed by assembling plate bodies 521 with slots formed and tank members 522 with plural curves formed to configure hollow portions, and the plate bodies are provided with communicating recesses 521b for communicating plural hollow portions.