Pla pob kws muaj tsib caug cab yog cov kas fes yog qhov tshiab tshiab thiab muaj kev sib zog ua ob tog thiab saj cov kev txhawj xeeb. Cia peb tsoo cov ntsiab lus tseem ceeb ntawm no lub tswv yim.1, pla (polylactic acid): PLA yog biodegradable thiab comptomeab