"Passion" tungsten carbide slitting thipa bakeng sa indasteri ea lithium e entsoe ke boleng bo phahameng ba moroetsana tungsten carbide phofo le phofo ea cobalt ka mokhoa oa phofo oa metallurgy. Ha ho bapisoa le lehare la tšepe le tloaelehileng, mahare a TCT a Passion a na le boima bo phahameng haholo (HRA 89 ho isa ho 93) le ho hanyetsa ho roala (3500 ho 4000 Mpa). Lilemong tse 10 tse fetileng, lithipa tsa rona li rekisoa haholo Chaena, Europe, Japane le USA joalo-joalo. . Lihlahisoa tsa rona tsa boleng bo holimo le litheko tsa lifeme li hapile limmaraka tse ngata tsa lehae le tsa kantle bakeng sa barekisi ba rona.