R206       *Do not damage SCORING ELEMENTS. ROBOT elements likely to contact SCORING ELEMENTS shall not pose a significant hazard to the SCORING ELEMENT.

R205       *Do not make a mess on the FIELD. ROBOTS may not contain any materials which if unintentionally released would damage the FIELD, other ROBOTS or delay the start of a MATCH due to required clean-up or decontamination.  Lubricants may be used only to reduce friction within the ROBOT and must not contaminate the FIELD or other ROBOTS.

G102       *Be careful when interacting with ARENA elements. A team member is prohibited from the following actions with regards to interaction with ARENA elements:

R302       *Legal COTS parts and raw materials can be modified. Allowed raw materials and legal COTS parts can be modified (drilled, cut, painted, etc.) as long as no other rules are violated.