Crystal medals: Lub cim tseem ceeb, kev coj dawb huv, thiab kev ua tiav zoo tshaj plaws, feem ntau tau txais txiaj ntsig los ntawm tsoomfwv thiab cov tuam txhab thiab siv dav hauv cov ntawv pov thawj tsim nyog, kev nthuav qhia khoom plig, thiab kev ua koob tsheej nco txog. Kev saib xyuas kom zoo ntawm cov khoom siv lead ua khoom plig yog qhov tseem ceeb kom ntseeg tau tias lawv khaws lawv cov luster thiab purity rau lub sijhawm ntev. Rau kev saib xyuas, nws raug nquahu kom siv cov tshuaj ntxuav tu ib txwm siv, maj mam ntxuav nrog cov txhuam mos-bristled lossis los ntawm tes, tom qab ntawd yaug nrog dej huv thiab cua kom qhuav. Thaum lub puav pheej yog ib nrab- qhuav, maj mam so nrog ib daim phuam mos, kom tsis txhob muaj dej los yog cov ntiv tes sab laug. Tsis txhob siv alkaline, acidic, lossis cawv-raws li cov tshuaj ntxuav kom tsis txhob xeb. Tsis tas li ntawd, rau cov khoom plig thiab cov khoom zoo sib xws, txo cov cua sov kom tiv thaiv oxidation thiab yellowing, uas yuav cuam tshuam rau lawv tag nrho cov tsos.
Trophyes: Raws li kev lees paub thiab khoom plig rau cov tib neeg lossis pab pawg ua tau zoo tshaj plaws hauv kev ua haujlwm tshwj xeeb, tshwj xeeb tshaj yog nyob rau hauv ntau yam kev sib tw kis las. Hauv kev sib tw ncaj ncees, cov neeg ncaws pob sib zog ua kom zoo, thiab cov neeg yeej muaj lub sijhawm kom tau txais cov khoom muaj txiaj ntsig xws li cov khoom plig muab los ntawm cov koom haum. Txawm hais tias feem ntau cov khoom plig yog khob- zoo li, yog li lawv lub npe, qee qhov khoom plig tsis nyob hauv daim ntawv no; tej zaum lawv yuav yog disc-puab, duab puab, lossis lwm yam qauv tsim tshwj xeeb.
Medals: Raws li cov cim ntawm kev hwm rau cov neeg sib tw yeej, feem ntau yog ua los ntawm cov hlau thiab suav nrog kub, nyiaj, thiab bronze medals. Medal ribbons, tseem hu ua lanyards, yog hlua los yog hlua siv los dai khoom plig. Lawv ua lub luag haujlwm tseem ceeb hauv cov khoom plig tsim los ntawm cov tuam txhab, tsev kawm ntawv, cov chaw tsim khoom, cov koom haum, cov pab pawg, thiab cov tuam txhab, coj kev qhuas thiab koob meej rau cov yeej nrog rau cov khoom plig.
