In domestic thermos small size is screwed on top of the cap, which is often a too strong tightening the cracks or even breaks. Instead of trying to stick together, it should be replaced by a suitable diameter plastic cups.
Recommend to read
- PROPELLERS OF FOAM
We offer proven our ship mug method: to make propellers with electric current from foam. Simple device allows you to quickly produce a series of identical screws, which in appearance is... - UPGRADE THE PLOUGH AND HARROW
The soil in our garden plots so that during ploughing conventional ploughs formed lumps that require further a lot of time and effort preparing the land for sowing. But people don't...