The act of smoking was seen then, even until now, as a means of preservation other means of preservation include sun-drying and salting
Of course it is easier to demonstrate in a dominant causal relationship, like health and smoking but a non-dominant causality, such as the one we are talking about, follows exactly the same lines only it takes a lot longer to demonstrate conclusively
Chapman S: Public health advocacy and tobacco Control: making smoking history
Because most attention was paid to the smoke-free componentleaving the others calling for cessation programs and a ban on tobacco sales virtually ignoredthe entire proposal fell through
This manifests in a final product with a rough surface, unstable physical indicators, poor uniformity, and inadequate absorption performance, making it difficult to achieve high and uniform loading of the coating liquid 20,21