id	keyword
ajst-11513	pha
ajst-11513	packaging
ajst-11513	cost
ajst-11513	ldpe
ajst-11513	singapore
ajst-11513	materials
ajst-11513	production
ajst-11513	increase
ajst-11513	market
ajst-11513	plastic
ajst-11513	industry
ajst-11513	food
ajst-11513	price
ajst-11513	research
ajst-11513	products
ajst-11513	total
ajst-11513	analysis