Users can add, rearrange, or remove tiles. They arrange and rearrange (or "pivot") statistics in order to draw attention to useful information. Users can add, rearrange, or remove any widgets, at any time. These mechanisms simply rearrange matter inside of porosity and do not cause pores to shrink. They also rearrange or "temporarily replace" furniture. The commutative law of addition can be used to rearrange terms into any preferred order. He is able to rearrange the molecular structure of matter and energy at will. When a voltage is applied they rearrange themselves to block certain light waves. Typically, carbocations will rearrange to give a tertiary isomer. On occasion, a halonium atom will rearrange to a carbocation. It is also notable that oxaziridines will thermally rearrange to nitrones. They can also rearrange genes in the host genome. For instance, all isomers of CH rapidly rearrange to give the 1-methyl-1-cyclopentyl cation. In most elements, this order will rearrange itself, depending on conditions like temperature and pressure. Both of these decay modes rearrange the nucleons without transmuting the technetium into another element.