Hevi rel inap tru long karim hevi?

Tripela hevi diuti bal rel i lod long 225kg i go long 60kg, Series 76 i ken holim 225kg wantaim loking divais, Series 57 na 53 i ken holim 115kg, Series 51 i ken holim 60kg.
Hevi-lidi slaid rel i gat mak bilong ful-i kamap na bikpela lod bearing, we ol i save yusim long ol masin, ol kar, ol kebinet, ol elektronik, ol tren trenspot, ATM, ATM, ATM, ATM, ATM, ATM, ATM, ATM, ATM, ol ami sistem na ol narapela fil.
Pulim aut raun bilong tripela-seksen slaid rel i jenerali proporsenel long klos longpela, eksampel, raun bilong tripela-seksen slaid rel 450mm longpela tu i olsem 450mm. I gat tu wan smol namba blong ol kastoma oli nidim se pul aot travel blong tri slaed i longwan bitim nomol pul aot travel blong slaed. Lianli i save mitim ol samting we ol kastoma i nidim, be pul aot travel blong slaed ia i stap insaed long wan risenol ranj. Longpela pul aut raun bilong slaid inap long 150mm (6 ins) tasol longpela taim moa long longpela bilong en i pas, na kwaliti na bearing kapasiti bilong slaid bai kisim bagarap sapos em i winim dispela sais. Ifekt ia i no gud olsem nomol pul.