In Australia:

1) Identify two techniques an auctioneer may use to determine the most appropriate rate of increments between bids at an auction.

2) Identify two techniques an auctioneer may use to maintain the momentum of the bidding at an auction.

3) Identify three techniques an auctioneer may use to handle a bidder who retracts their bid during an auction.

4) Identify three techniques that may be used by a real estate auctioneer to restart bidding once the bidding has stalled.