Kukana nyengo yoipa ndi ukalamba
Kukhazikika kwabwino kwa danga ndi kulondola,
Kukana bwino kwa asidi ndi alkali,
Kuteteza mphamvu kuzimitsa ndi kutayikira.
Mawonekedwe a bokosi losindikizidwa amatha kuyang'ana komanso amatha kukhudzidwa ndikuyika pamtunda wa pulasitiki kapena chitsulo.
Pazochitika zomwe thupi la thunthu latsekedwa, likhoza kukhala lothandiza.Ma panel clairvoyant awa amagwira ntchito kwapadera
nthawi yomwe imayenera kukhala yopanda madzi, yopanda fumbi komanso anticorrosion.