far from them another machine was recovering from the tempest , mother had overseen the repairs to her systems through the blast storm , the repair-bots had worked unceasingly , first they recovered useable materials from the delta-1 destroyer , its main control chamber had been eliminated but it had an abundance of weapons and power cells that the roach program made use of but more than that it still had all of its repair-bots , hundreds of them and they werent the simple but effective class three repairers that mother commanded , they were alfa-a types , three times larger with multiple servo arms equipped with high standard phase welders and multi-task manipulators , along with these useful restoration robots there were carriers , loaders , programmers and a host of other machines that were only available on level two and above combat units .