Other wins are housekeeping workload reductions, improved safety and better job security amid advancements in technology, including robot bartenders.

“After seven months of negotiations, we are proud to say that this is the best contract and economic package we have ever won in our 88-year-history,” Ted Pappageorge, the union’s secretary-treasurer and chief negotiator, said in a statement. Terms of the new five-year contracts haven't yet been released, but the Culinary Workers Union said the agreements provide significant pay raises and safety improvements. The workers include the housekeepers and utility porters who work behind the scenes to keep the Strip’s mega-resorts humming, and the bartenders and cocktail servers who provide the customer service that has helped make Las Vegas famous.

Taken together, the pending agreements cover more than 30,000 hospitality union workers who had threatened to walk out in the pre-dawn hours Friday if negotiations failed. LAS VEGAS (AP) - MGM Resorts International, the largest employer on the Las Vegas Strip, has joined rival Caesars Entertainment in reaching a tentative deal with the Las Vegas hotel workers union to narrowly avert a sweeping strike.