Leqeba le Fentsoeng Tube
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L, LL, KL Finned Tube
Li-Tubes tsa Foot Finned li sebelisoa ho futhumatsa mocheso, o sa feteng haufi le likhato tse 400, 'me o sebelisoa haholo-holo lits'ebetsong tse pholileng moeeng (ho kenyeletsoa li-radiator tse kholo le li-coolers tse kholo tsa compressor).