The aim of this study is to investigate the effect of polypropylene fibre addition into eco-concrete made with fly ash. an industrial by product. as partial cement replacement material. and coconut shell. https://www.nacrack.com/flash-choice-Netgear-Nighthawk-LTE-Mobile-Hotspot-Router-Mobile-Hotspot-LTE-BRAND-NEW-p8608-best-super/