Investigating plastics, Recycling, Reduce, re-use or recycle, SOSE: Geography Year 7, VIC | Online Education Home Schooling Skwirk Australia#sustainability#recycling#plastic#pet#hdpe#pvc#pp#ps·skwirk.com.au·Apr 24, 2009Investigating plastics, Recycling, Reduce, re-use or recycle, SOSE: Geography Year 7, VIC | Online Education Home Schooling Skwirk Australia