I-stendelical ye-etch ye-etch isetyenziselwa inyathelo lenyathelo lenyathelo, ngeli thuba, izinto zetemplate ezifana nentsimbi engenasitali ifakwe kakuhle kwimichiza. Zonke iindawo ezingayi kuncitshiswa (okanye zifakwe) zigutyungelwe ngefilimu yokukhusela. I-etking yekhemikhali yinkqubo engachanileyo, kodwa ikhawuleza kakhulu. Ingxaki yindleko, ethambile yimpazamo. Ngokwemvelo (kwaye ngomthetho) iikhemikhali kufuneka zilawulwe ngononophelo kwaye zilawulwa ngokufanelekileyo, zinokubiza kakhulu kubavelisi.
Ngokubanzi i-stende ye-checch ye-etch:
Izibonelelo: Ukuqulunqwa kwexesha elinye; Isantya esiphezulu semveliso;
• Izinto ezingalunganga:
Indleko ayisebenzi ngokungenziwa ezinye ziphezulu;
Iindlela zokwenza ubume be-sand okanye ukuvulwa okukhulu;
Amanqanaba okuba amaqela okwenza kunye nokuqokelelana kweempazamo;
Ayifanelekanga ukuba i-tenlicals epitch; kubi kukhuseleko lwendalo.
Akukho lula ukusingatha emva kokusebenzisa.