Iphansi lingakwazi ukuzimela, livumelane nesibonisi sokuma kwesikhwama. Uziphu seal, uyasebenziseka kabusha. Impahla ephakathi yesikhwama ifilimu ye-polyester aluminizekisiwe, enenani elishibhile, ukubukeka okuhle nokusebenza okuhle kwesithiyo.
Isikhwama se-seal esinezinhlangothi eziyisishiyagalombili sithandwa kakhulu phakathi kwezikhwama zokudla. Basebenzisa ubuchwepheshe obuyinhlanganisela eminingi futhi bame kahle, okuvumela ukuboniswa kweshalofu futhi kwenze uphawu lube luhle kakhulu. Ibukeka isezingeni eliphezulu futhi ivelele, inomphumela omuhle wokuvala.Lolu mklamo wesikhwama ungokaKhisimusi Ojabulisayo.