1. Cam-lock chogwiririra maloko olimba & kutulutsa chofukizira chida mwachangu2. Kutalika kolondola kwa kudula m'mphepete kumakhala kosavuta & kusinthidwa molondola ndi zomangira zapadera3. Zida zitha kukhala reground popanda kuchotsa mawonekedwe chofukizira chida kukhala unaltins osasinthidwa4. Makona 40 osiyanasiyana (9 ° iliyonse) amasankhidwa mosavuta kuchokera pama dials okhala ndi cholembera5. Zonyamula zimatha kusinthana ndi zolemba zina zambiri zamtundu wa 40