دوام و کارایی نگهداری
Nageh-e adadi ejtemaei az zamin-e bot-e EVA baraye tahamol dar bale-ye zirin-e morabi motahare shode ast va beh in sorat, behine-tarin hale vazife-ye negahdari ra hamraye kamtarin mojazat tarvij mi-kone. pazhoohesh-e maddi bar ayene-ye UV tavanad rang-ha ra az goshe-shodan jelo gereft va hazf-e zakhm-ha-ye maddi ra ta amadegi-e nazdik be daramad-e bozorggane edame dahad. sakhتمan-e mavara-ye ghofl-e basteh tavanimad az khordan ab ra majaz nemikonad va roste-ye zard va sabuni ke bishtar az harche madde digar dar zamin-ha peyda mishavad ra maghfoul mikone. sath baraye modavamat az marakez-e mari az jalile-ye khalal-ha-ye mari, barafroz-ha va khordan zahab-ha-ye motavaset mahdud misazad. tamizkari faqat niaz be negahdari-e basiyati ba mohre-ha-ye estandardi baraye tamizkari-e bot darad, va zaman va moghefare ra dar negahdari kam mi-konad. pazhouhesh-e maddi baray-e safshoresh-e fiziki tavanad bahal-e saf va karyabi ra hamraie vaghti ke dar nohe-haye morede entezar estefade mishavad, hafez konad. lahze-bandi-e qowiy ke dar nahz-e sazi estefade mishavad, tavanad az boride shodan va joda shodan goshas dar hale morede niaz va agar zaruri bashad baraye negahdari ya jabeja shodan maghfoul konad.