Gazzyboy Office Escape

[MsInterpret]

You being the staff of the office, got trapped inside the office in the evening. The main objective is as usual only, to find out the useful objects from the office, make use of it to escape from the office.

http://www.gazzyboy.com/gamedisp/273/officeescape.htm

Please use spoilers to give hints:
[spoiler=Title Here]Enter text here...[/spoiler]

Please do not post a video walkthrough for 7 days.

[lolacheeks]

So far I have:

Knife, 2 keys (used), ruler / scale(used)access card, baking powder, keyboard letters O, B, G, yellow tape,NOW STUCK!!

EDIT:

Went upstairs and got letters A & Z, glass, panel from mouse pad, wire, used glass and powder

got letter Y and turned computer on, got code and used in access panel upstairs, heard a sound, stuck again, got second wire after opening room next to bookshelf

AND OUT!!! (after 1 hour!)

Cut acces panel next to bookshelf, connect to panel near exit door, connect wires, use access card, and out!!

YAY!! I've never been first to finish or comment!!

[Vega78]

All I got is

2 keys (used), a ruler (used), powder, an access card and the keyboard buttons G and B. Also switched on the boiler in the bathroom. Stuck now.

[Kira699]

where is all this stuff. i only have

1 key(used), glass, powder, keys OBZA and one piece of double sided tape.

and i'm stuck

[BchBum]

wow that took 4ever... gnite