1
Well, we took a glass tube, with some glass wool inside for a wick-
2
Gareth stuffed the used glass wool into the acid bottle, stoppered it again, and returned everything to the backpack.
3
He twisted the stopper out of the bottle and carefully wet the glass wool with several drops of acid.
4
The flask was then allowed to cool, the entering air being filtered through a plug of glass wool or asbestos.
5
A kind of glass wool is produced by drawing out to a capillary thread two glass rods of different degrees of hardness.
6
A model is used to predict sampling rates of a passive sampler encompassing an orifice, a void space, glass wool, and the adsorbent.
7
The long tube is bent down outside the flask, and is here provided with a small bulb tube containing glass wool or asbestos.
8
A small quantity of glass wool is placed in the neck of the funnel to hold back foreign material when the reductor is in use.]