| (a) | As used in this section:
| (i) | "Building," in addition to its commonly-accepted meaning, means any watercraft, aircraft, trailer, sleeping car, or other structure or vehicle adapted for overnight accommodations of individuals or for carrying on business and includes:
| (A) | each separately secured or occupied portion of the building or vehicle; and |
| (B) | each structure appurtenant or connected to the building or vehicle. |
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| (ii) | "Enter" means:
| (A) | an intrusion of any part of the body; or |
| (B) | the intrusion of any physical object, sound wave, light ray, electronic signal, or other means of intrusion under the control of the actor. |
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| (iii) | "Research" means studious and serious inquiry, examination, investigation, or experimentation aimed at the discovery, examination, or accumulation of facts, data, devices, theories, technologies, or applications done for any public, governmental, proprietorial, or teaching purpose. |
| (iv) | "Research facility" means a building, or separately secured yard, pad, pond, laboratory, pasture, pen, or corral which is not open to the public, the major use of which is to conduct research, to house research subjects, to store supplies, equipment, samples, specimens, records, data, prototypes, or other property used in or generated from research. |
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