This is one of the most common industrial hollow glass production process. The glass gob is dropped into the mould, into which the extrusion punch is inserted from below. When the gob is in the pre...
The first Mason jar was made by John L. in 1858. The original purpose of the jar was to prolong the life of food. To keep these preserved food for a long time, just as the home made salted v...
Does the taste of coffee change over time?
Have you ever had the feeling that when you drink coffee, at first it tastes the same, but after a while it changes .I had this experience. When I made th...