Tharollo ea ho phatloha ha tefiso ea maqhubu a mahareng a maqhubu:

1. Amohela mokhoa o utloahalang oa ho omisa le oa ho futhumatsa ho laola khatello e phahameng ea mouoane ka har’a tefiso ea maqhubu a mahareng;

2. Eketsa lintho tse thibelang ho phunyeha tse kang li-anti-explosion agents ho tefiso ea maqhubu a mahareng ho eketsa moea o kenang ‘meleng o thata le ho fokotsa khatello ea mouoane o ka hare oa castable.