Backhoe loader drive system into their backhoe loaders, allowing these models to go over almost any terrain with little difficulty. Since the backhoe was invented, several companies such as Caterpillar and John Deere have changed the backhoe's back arm to be slightly curved like that of an excavator, which can allow more maneuverability. Backhoe loaders are very common and can be used for a wide variety of tasks: construction, small demolitions, light transportation of building materials, powering building equipment, digging holes/excavation, landscaping, breaking asphalt, and paving roads. Often, the backhoe bucket can also be replaced with powered attachments such as a breaker,
A Star Is Burns Lovitz, the episode guest stars Maurice LaMarche, a regular on "The Critic", who voices George C. Scott as well as Jay Sherman's belch. Phil Hartman also makes a brief appearance as an actor resembling Charlton Heston portraying Judah Ben-Hur in Mr. Burns' film. Rainier Wolfcastle's line, "on closer inspection, these are loafers", was ad-libbed by Dan Castellaneta who was providing the voice of the character on a temporary track. It was later re-recorded by Wolfcastle's normal voice actor, Harry Shearer. The Imperial March from "The Empire Strikes Back" is played as Mr. Burns is introduced. The song the "Rappin' Rabbis"