Worth noting that, Your Belgian Things later in the album refers to the components of a meth lab that blows up, causing the events in Mole. Therefore, in addition to trading electrical equipment for meth, or electrical equipment being a code for the drug in this song, or just something to do tweeking - it could actually be part of the lab. The creams and powders might contain necessary ingredients for their recipe. Of course, crushed crystal meth is powder too.
Worth noting that, Your Belgian Things later in the album refers to the components of a meth lab that blows up, causing the events in Mole. Therefore, in addition to trading electrical equipment for meth, or electrical equipment being a code for the drug in this song, or just something to do tweeking - it could actually be part of the lab. The creams and powders might contain necessary ingredients for their recipe. Of course, crushed crystal meth is powder too.