The WH8 mndandanda yodziyimira payokha contactor amagwiritsa luso lamakono nsanja ndi ntchito kupanga makina ndi zida kuyezetsa kulenga patsogolo cholumikizira kopitilira muyeso-chete ndi moyo wautali.

Wothandizira wa WH8 atha kugwiritsidwa ntchito pakuwongolera kwakutali: Kuyatsa, kutentha, mpweya wabwino, kugudubuza makatani, madzi otentha pagulu, Mawotchi makina othandizira mpweya, ndi zina zambiri.