1. Yehlisa isikhathi sokukhubeka nokubhoboza. Kushesha izikhathi ezi-5-10 ukusebenzisa intambo yocingo ukuze uphakamise futhi ushintshe i-drill bit kunenduku yokubhoboza evamile; 2. Yonga izindleko zokuthenga, ezokuthutha, zokuhlola, zokunakekela, nokushintshwa okuhlobene namapayipi okubhoboza namakholola okubhola; 3. Ngoba...
Funda kabanzi