Likarolo tsa Sehlahisoa
1. Ho sebelisa thepa ea polystyrene (PS) ea boemo ba bongaka.
2. Matla a supileng a 1/2/5/10/25/50/100mL a fumaneha.
3. Litlhaloso tse tharo, tse akaretsang / tse khuts'oane / tse pharaletseng li fumaneha.
4. Ho bonolo ho khetholla bokhoni bo fapaneng bo tšoailoeng ka mehele e fapaneng ea mebala.
5. Ho na le li-filters qetellong ea li-tubes ho thibela tšilafalo ea sefapano ho tsoa ho mokelikeli.