10+ Classification Of Plastics With Examples PNG . Here are a few examples: By · published · updated. Bioplastics Food Packaging Forum from www.foodpackagingforum.org Because of its clarity it is great for medical and laboratory specimen containers such as culture tubes covers all other plastics which are hardest to recycle. Provides list of combination plastics with corresponding example product. Polyethylene (commonly referred to as polythene and popularly used as carry bags in grocery stores and plastic. N jobs with processing times p 1,.,p n and release dates r 1,.,r n jobs have to be scheduled without preemption on one machine taking into account the earliest starting times of the jobs, such that the makespan is minimized n = 4, p. Figure 1 on page 27 shows the commodity class from the ifc is class i and the. Plastic material is a term that refers to a large class of polymers, se...