chizolowezi 51 * masentimita 81

Thunsi lidakhala ndi thumba lonyowa

Zitsanzo Zaulere Titha kupereka

Samputala1

kukula
Sample2

kukula
Samp3

kukula

Pezani mawu

Kanthu

Chikwama champhamvu cha PP chotetezedwa chimagwiritsidwa ntchito pamwamba pamatumba wamba ophatikizika, wosanjikiza wamkati amapangidwa ndi kapangidwe ka thumba, ndipo wosanjikiza wakunja wapangidwa ndi polyethylene. Matumba okhala ndi mawonekedwe ndi mawonekedwe abwino kuposa matumba okhazikika. Mosiyana ndi matumba okhazikika, matumba ozizira amalimbana ndi chinyezi komanso kuyikapo.

Ubwino:

1) Wopanda madzi

2) Chizindikiro

3) Wopatsa mphamvu kwambiri komanso nyonga

4) Umboni Wopepuka ndi Umboni Wodzi

Kusamala chifukwa chogwiritsa ntchito matumba a PP owoneka bwino:

1) Pewani kuyika zinthu zomwe zikupitilira mphamvu yonyamula.

2.Avoid akukoka mwachindunji pansi.

3.Kavoid mwachindunji dzuwa ndi mvula yamkuntho kuti ifulumizitsa kukalamba kwa malonda.