Dysgeusia (/dÉªsËÉ¡uËÊÉ/ or /dÉªsËÉ¡juËziÉ/) or parageusia is a distortion of the sense of taste. Dysgeusia is also often associated with ageusia, which is the complete lack of taste, and hypogeusia, which is the decrease in taste sensitivity. An alteration in taste or smell may be a secondary process in various disease states, or it may be the primary symptom.
There are two main types of plastics â. Thermoplastics which are softened by heat and can be moulded. (Injection moulded, blow moulded or vacuum formed). Good examples are acrylic, polypropylene, polystyrene, polythene and PVC. Thermosets which are formed by ha heat process but are then set (like concrete) and cannot change shape by reheating.
Plastic water bottles are usually made of Polyethylene Terephthalate (PET), which is absolutely safe for consumption. Different types of bottles are made of different types of plastic. Some of these bottles can be reused and recycled whereas the others should not be reused. Plastic Water Bottles-Understanding the Different Types. Polyethylene Terephthalate (PET): Most of the bottles made from PET are labeled with the number âoneâ.