4 ms·
Those are both examples of vacuum suction, not welding.
by uoaei 3y ago
Those are both examples of vacuum suction, not welding.
- BenjiWiebe 3y agoI don't think either of those is an example of vacuum suction. Gauge blocks are thought to work in a small part by vacuum, but mainly by other means. Glassware sticks together because of thermal expansion/contraction, combined with being quite smooth and very hard and inflexible.