Aya mabhegi emarara akasimba anogadzirwa kubva kumhando yepamusoro yepamusoro density polyethylene ine inowirirana mhando inoita kuti ivimbike zvakanyanya.Heavy-duty marara mabhegi anopa musanganiswa wakanakisa wesimba remufirimu, kushomeka kwepuncture uye kuramba kubvarura.