Philately yog hom nrov heev ntawm kev sib sau. Cov ntawv tshaj tawm yog cov ntawv me me nrog kev tsim qauv thiab teev cov ntsej muag kom muaj nuj nqis. Qee hom npe yog qhov muaj txuj ci zoo nkauj thiab zoo nkauj uas lawv nyiam cov duab kos duab.
Cov ntawv xa khoom muaj ntau yam nyob hauv qhov loj me, qhov hnyav, thiab kev ceev nrawm ntawm kev sau ntawv. Tus nqi uas cov nqi xa tuaj los ntawm cov xa khoom tseem nyob ntawm qhov no. Cov chaw xa ntawv tau tshaj tawm thiab muag cov nyiaj muas - cov cim tshwj xeeb ntawm qee qhov muaj nuj nqis uas pab txhawb kev xam cov nqi pabcuam.
Lub thwj cim qhia tau lub xeev uas muab lawv. Ib txheej kua nplaum yog siv rau sab nraum qab ntawm daim ntawv ntawv txhawm rau txhawm rau txuas cov khoom rau hauv lub hnab ntawv lossis parcel. Cov thwj cim tau muab tso tseg nrog daim ntawv tshaj tawm. Cov neeg xa ntawv yuav qhia rau koj txog cov ntawv nyiaj muas ntawv twg thiab seb qhov twg koj xav tau yuav, ntsuas lub hom thiab qhov hnyav ntawm koj cov xa ntawv thiab qhov chaw nyob ntawm tus xa ntawv.
Cov ntawv tshaj xo no tau muab ntau daim foos. Paub cov duab plaub, xwm fab xwm meem, duab peb ceg, pob-diamond-puab, trapezoidal, puag ncig, oval, polygonal, thiab hom dawb-hom. Qee zaum cov ntawv qij qes tuaj yeem rov ua qhov contour ntawm lub teb chaws hauv daim duab qhia chaw, ua tus qauv ntawm txiv maj phaub lossis txiv tsawb (Tonga).
Feem ntau nyiaj muas yog tsim los ntawm cov ntawv dawb coated, tab sis cov khoom me me ntawm cov khoom suav tau tsim los ntawm cov khoom siv txawv txawv. Cov ntaub ntawv no yog papyrus, silk, nylon, txhuas, tooj liab, hlau, nyiaj, kub, ntoo, yas, yas.
Cov kua nplaum uas tau siv rau qhov thim rov qab ntawm lub tiaj, ntawm chav kawm, yuav tsum muaj kev nyab xeeb rau tib neeg kev noj qab haus huv. Tom qab tag nrho, ntau tus neeg tseem yaim daim ntawv ua ntej yuav lo rau. Tam sim no lawv siv kwv yees raws li PVA. Ib lub sijhawm, cov "hom" uas tau tsim, cov kua nplaum suav nrog mint, vanillin, kua txiv qaub thiab kua txob. Cov thwj cim niaj hnub yog tus kheej-nplaum.
Qee qhov sib sau ntawm cov hom tau saib rau cov xuab moos - lawv zoo nkauj heev, ci thiab ntau haiv neeg. Lub sijhawm rau cov ntawv sau rau hauv hnab ntawv nrog lub thwj cim khov yog qhov ua tiav dhau lawm - e-mail yog nkag mus hauv txhua lub tsev. Tab sis tib neeg xa cov pob khoom, pob khoom thiab ntawv sau npe, uas txhais tau tias lawv yuav tsis nres tsim cov duab plaub sib dhos.
