Mawonekedwe a kuswa dera.

Makhalidwe a Breict Breaker ndi: Volumu yamagetsi yovotera; Adavotera pano; Ulendo waposachedwa kuti ukhale wowonjezera (IR kapena IRTH) ndi chitetezo chafupipafupi (im); Ikuvota yopanda tanthauzo yozungulira (Indu Yoyenda Yachigawo Yachigawo (Instiorrial Rucker Rusuit; Instivu Yakutchinga Yanyumba Yanyumba), etc.

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3. Ulendo wofupika wa madera ofupikirapo (IM)

4. Mtengo wapano womwe umaperekedwa muyezo ndi muzu umatanthawuza mtengo wa gawo lazinthu zomwe zilipo, ndipo nthawi zonse zimachitika munthawi yovuta kwambiri. Makina osokoneza bongo obwera

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