Double glazing, day two..er...one

So. This is going well...

• Yesterday they didn't turn up to start the job. Their head office was very apologetic about this.
• Today they turned up, put the french doors in, broke their drillbit and a pane of glass, then went home at lunchtime as the nearest spares were in Loughborough...

So. This was supposed to be a two day job. And after two days they've almost finished one of the six windows & doors involved...