WHAT: Houston Livestock Show and Rodeo™ Agricultural Mechanics Trailer Build Off Contest. Contest begins at 8 a.m. and ends at 4 p.m. The awards ceremony is scheduled for 5:30 p.m. Best time for video: 3:30-5:30. WHERE: Pavilion at 11645 Almeda Rd., Houston, TX 77045. INTERVIEWS: Adult coaches will be...