Olu lushicilelo oluphakathi lwesantya olujikelezayo lwethebhulethi lunokwenza umaleko omnye okanye ithebhulethi ephindwe kabini. Ilungele ngokukodwa ukuveliswa kweepilisi ezivela kwi-viscous, i-corrosive and abrasive
ezifana ne-turret yamkele unyango lwe-corrosion olunokwenza iimveliso ezahlukeneyo ezifana nethebhulethi esebenzayo, ithebhulethi yetyuwa, ithebhulethi yokucoca izitya, ithebhulethi ye-chlorine ye-watercolor tablet njl.