Kidnapped by Aliens

Walkthrough:
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-get map from under the bed
-click on right side of cabinet to move it
-click arrow to go into vent
-go forward all the way until you get to the next room 
 (note code on the wall in the vent)
-use code on glass cabinet to get invisibility bracelet
-get screwdriver from top drawer of desk
-go all the way back to the first room
-pick up triangle head that alien dropped and go back into vent
-this time go forward then left, and use multidriver on the vent
-notice which direction the little white dots are moving on the lasers
-click on panel and rotate the circles in the direction of the white 
 dots from top to bottom
-lasers should be off now, take axe
-go back to the office and use axe on glass cabinet to get strange device.
-go into items and look at strange device, note code and use on panel by 
 the door.
-go to H2O room and pick up test tube.
-note the screen on the left hand side. 
-click on pipes on the left and turn them until the right side of the 
 screen looks like the left side of the screen.
-go to the lounge and click on the side of the left tv to move it, get key.
-go back to the h2o room and use the key on the box outside the room on the
 left hand side, get gem.
-go to the fusion lab and place the gem in the slot to start fusion.
-go back to the lounge and use the test tube collect orange liquid from 
 the centre.
-go to laboratory and place orange liquid in the beaker, pick up glass block.
-in the hallway where the circular windows are, click on top middle one to 
 drop glass rod on the floor, grab it.
-go back to the human pod and use test tube to get blue liquid from the toilet.
-place blue liquid in beaker as well, stir with glass rod to get purple liquid.
-go back to the H2O room and place glass block in wall panel by the door. 
-The lasers are now off. Go to new room and collect green liquid in test tube.
-Use axe to smash crate and get rusty thing.
-Move barrel to get blow torch.
-go back to the lab and put green liquid in the round beaker next to your purple
 liquid.
-Pick up purple beaker and pour into green liquid to get pink stuff. 
-Use blow torch on the glass cabinet to get device (it only tells you how to 
 mix the liquids, so you don’t really need it at this point).
-place the rusty thing in the pink liquid to clean it (to do this, select it in
 your inventory, then go back into your items and select pink liquid).
-go back to the hallway and place clean shiny thing in the slot by the locked door. 
-Click on the door and you’re out.