4B ; 4B2 [Issues covered and excluded (issues excluded): agency; tort of conversion for interference with possessory rights of seller; Effect of contract on property: retention of title clause, validity of];

8A ; 8B2 ; 8C [Interpretation of party's statements or other conduct: intent of party making statement or engaging in conduct; Interpretation based on objective standards: understanding of reasonable person of same kind as other party in the same circumstances as the other party; Interpretation in light of surrounding circumstances];

25B [Definition of fundamental breach];

26A [Notification of avoidance: effective declaration of avoidance];

63A [Notice fixing additional final period for buyer's performance];

64A [Seller's right to avoid contract: grounds for avoidance]