Hoo e ka bang baetsi bohle ba grinder ea fatše ba etsa mechine feela, empa eseng li-discs tsa ho sila tsa konkreite. Hoa utloahala, hobane le hoja lisebelisoa tsa ho sila tsa konkreite li sebelisoa fatše, qetellong ke lihlahisoa tse 2 tse fapaneng 'me li hloka tsebo e fapaneng ka ho feletseng ha li etsoa. E thehiloe ka 1993, Sunny Superhard Tools ke moetsi oa lisebelisoa tsa litaemane tse hloahloa, 'me re fana ka mefuta eohle ea lipoleiti tse silang tsa konkreite hore li lekane le lisila tse fapaneng lefatšeng, joalo ka HTC, Lavia, ASL, Klindex, Husqvarna, EDCO, Blastrac, Prep/Master, joalo-joalo.

Letlapa la ho sila la htc leqepheng lena le etselitsoe lisila tsa fatše tsa HTC. E na le likarolo tse 2 tsa mofuta oa oval ea boholo ba litaemane (bolelele ba 15mm), e na le nako e telele ea bophelo. Mekhoa e metle ea litaemane e netefatsa ts'ebetso ea eona e phahameng. Konkreite e 'ngoe le e' ngoe e fapane - Sunny Superhard Tools e u fa litlamo tse fapaneng tse kholo tsa htc lipoleiti tsa ho sila tsa konkreite.

Litlhaloso tsa Boikhethelo