Hlau- ntawm daim kab xev xaim xaim xaim xaim xaim xaim txheej txheej txheej txheej nrog lub ntsej muag retroreflective optical nto thiab cua sov- ua kom cov nplaum nplaum. Qhov kev sib tw engineering yog tswj xyuas qhov kev xav tau ruaj khov, kev sib khi lub zog, thiab kev ua haujlwm zoo tom qab rov ntxuav dua, puas tsuaj, thiab ib puag ncig raug. Rau PPE cov chaw tsim khoom thiab pab pawg tsim khoom, kev tshuaj xyuas yuav tsum suav nrog kev ntsuas qhov sib txawv ntawm qhov sib txawv, ntsuas lub zog adhesion, ntsuas kev ruaj khov ntawm textile, thiab kev txheeb xyuas qhov sib xws ua ntej kev tsim khoom ntau.
Tsis zoo li ib txwm sewn reflective daim kab xev, hlau- ntawm daim kab xev xaim xaim xaim xaim xaim xaim xaim xaim hluav taws xob uas tso cai rau cov khoom siv los siv rau hauv khaub ncaws, hnab, thiab khoom siv kev nyab xeeb yam tsis muaj kev sib txuas ntxiv. Cov neeg yuav khoom yuav tsum ntsuas cov qauv ua tiav, suav nrog cov txheej txheem tsim qauv, kev ua haujlwm nplaum, lub zog ntawm textile, thiab kev ua raws cai rau daim ntawv thov zaum kawg.
Tshawb nrhiav Reflective Webbing Solutions
Reflective Webbing Daim Kab Xev Cov Khoom Siv thiab Cov Txheej Txheem Txheej Txheem
Hlau- ntawm daim kab xev xaim xaim yog cov khoom siv ntau- txheej txheej tsim los ua ke cov cuab yeej siv kho qhov muag nrog kev pom kev pom kev zoo. Qhov kawg kev ua tau zoo nyob ntawm seb txhua txheej cuam tshuam li cas thaum tsim khoom thiab xaus - siv cov xwm txheej.
Cov qauv zoo ib yam muaj cov txheej txheem textile, reflective optical txheej, tiv thaiv txheej, thiab tshav kub- ua kom cov nplaum rov qab. Txhua txheej muaj ib tug tshwj xeeb muaj nuj nqi thiab cuam tshuam durability, yooj, thiab daim ntawv thov compatibility.
| Txheej Txheej | Yam khoom | Muaj nuj nqi | Kev ntsuam xyuas engineering |
|---|---|---|---|
| Base Webbing Txheej | Polyester lossis nylon webbing | Muab lub zog tensile thiab seem stability | Ntsuas los ntawm tensile lub zog (N), elongation (%) thiab kev puas tsuaj |
| Reflective Optical Txheej | iav hlaws los yog microprismatic qauv | Rov qab teeb pom kev tshwm sim rau qhov chaw | Ntsuas los ntawm coefficient ntawm retroreflection RA (cd / lux / m²) |
| Tiv thaiv zaj duab xis | PU los yog polymer tiv thaiv txheej | Tiv thaiv cov khoom kho qhov muag los ntawm kev puas tsuaj thiab ya raws | Ntsuam xyuas los ntawm kev puas tsuaj thiab kev ntsuas huab cua |
| Thaum tshav kub kub Activated Adhesive | Thermoplastic nplaum zaj duab xis | Bonds reflective webbing rau textile nto | Ntsuas los ntawm tev lub zog (N / 16mm lossis N / cm) |
Fiber Structure thiab Mechanical Performance
Polyester webbing feem ntau xaiv vim polyester fibers muab qhov zoo ntawm qhov ruaj khov, tsis muaj dej noo, thiab tsis kam mus ncab. Nylon webbing tuaj yeem muab tau yooj yim dua thiab cuam tshuam tsis zoo tab sis tuaj yeem nqus dej ntau dua nyob rau hauv cov av ntub.
| Cov khoom siv Webbing | Fiber yam ntxwv | Hom Tensile Range | Kev txiav txim siab thov |
|---|---|---|---|
| Polyester Webbing | Tsawg noo noo nqus, ruaj khov molecular qauv | 300-1500 N nyob ntawm qhov dav thiab tuab | Haum rau kev nyab xeeb khaub ncaws thiab khoom siv uas yuav tsum tau muaj kev ruaj ntseg |
| Nylon Webbing | Ntau dua yooj thiab cuam tshuam nqus | 400-1800 N nyob ntawm kev tsim kho | Haum rau dynamic daim ntaub ntawv xav tau yooj |
Rau cov ntawv thov PPE, cov neeg yuav khoom yuav tsum ntsuas seb cov qauv webbing puas muaj lub zog ntawm cov khoom siv tom qab kev hloov hluav taws xob, vim tias qhov kub ntawm qhov sib txuas ntau dhau yuav cuam tshuam rau cov khoom siv textile.
Reflective Heat Transfer Film Structure thiab Optical Performance Evaluation
The reflective heat transfer film layer determines the visibility performance of iron-on reflective webbing tape. Cov qauv kho qhov muag feem ntau suav nrog iav hlaws thev naus laus zis lossis tshuab microprismatic, txhua tus siv lub teeb sib txawv- rov qab los.
Iav Bead thiab Microprismatic Reflective Structures
| Reflective Technology | Qauv | Hom RA Performance | Daim ntawv thov yam ntxwv |
|---|---|---|---|
| Iav Bead Reflective Txheej | Pob tshab hlaws dai nyob rau hauv polymer resin | 100-330 cd / lux / m² raug ntau yam | Yooj yim, tus nqi- zoo, feem ntau siv rau cov khoom pom pom dav dav |
| Microprismatic Reflective Txheej | Precision molded microprism optical hlwb | 330-800+ cd/lux/m² nyob ntawm qhov specification | Siab dua ci ntsa iab thiab ntev -kev pom kev deb |
Optical Performance Factors
Retroreflection kev ua tau zoo nyob ntawm prism geometry, kho qhov muag zoo, saib lub kaum sab xis, nkag lub kaum sab xis, thiab tiv thaiv txheej pob tshab. Tus nqi RA siab dua qhia tias muaj zog dua lub teeb rov qab los raws li cov qauv kev sim.
Rau daim ntawv thov kev nyab xeeb cov khaub ncaws, cov neeg yuav khoom feem ntau soj ntsuam cov khoom siv raws li EN ISO 20471 lossis ANSI / ISEA 107 cov cai. Cov qauv no txhais tau qhov tsawg kawg nkaus pom kev ua tau zoo raws li qhov xav tau rau cov khaub ncaws pom kev pom kev siab.
Rau cov haujlwm uas xav tau cov khoom ua kom pom tseeb, cov neeg yuav khoom tuaj yeem ntsuas qhov sib txawvReflective tshav kub hloov zaj duab xiscov qauv tsim raws li cov khoom siv tsoos tsho, kev siv ib puag ncig, thiab kev cia siab ntev.
Retroreflection Performance Testing thiab Reflective Coefficient Evaluation
Retroreflection ntsuam xyuas ntsuas qhov ua tau zoo ntawm cov khoom siv hluav taws xob rov qab qhov teeb meem rov qab mus rau qhov qub teeb pom kev zoo. Rau cov hlau- ntawm daim kab xev xaim xaim, qhov kev ua tau zoo no cuam tshuam ncaj qha rau kev pom thaum hmo ntuj thaum teeb pom kev los ntawm lub tsheb taub hau lossis lub teeb pom kev lag luam.
Thawj qhov ntsuas ntsuas yog qhov coefficient ntawm retroreflection (RA), qhia hauvcd/lux/m². Tus nqi sawv cev rau qhov luminous siv rov qab los ntawm qhov pom ntawm qhov chaw raws li kev soj ntsuam thiab nkag lub kaum sab xis.
Retroreflection Test Method and Evaluation Parameters
| Test Parameter | Txoj Kev Xeem | Chav ntsuas | Engineering Lub ntsiab lus |
|---|---|---|---|
| Coefficient ntawm Retroreflection (RA) | Kev ntsuas photometric nyob rau hauv kev tswj kev nkag thiab kev soj ntsuam cov ces kaum | cd/lux/m² | Kev ntsuas rov qab lub teeb siv los ntawm qhov chaw reflective |
| Pib Reflectivity | Cov khoom siv kho qhov muag tshiab | cd/lux/m² | Ntsuam xyuas thawj qhov kev ua tau zoo |
| Reflective Retention | Ua ntej thiab tom qab kev sib piv ntawm ib puag ncig | % kev tuav pov hwm | Qhia kev ua tau zoo tom qab kev laus, ntxuav, lossis puas |
Reference Reflective Performance Range
| Reflective Material Qeb | Hom RA Range | Daim ntawv thov siv |
|---|---|---|
| General Reflective Khoom | 100-330 cd/lux/m² | Consumer visibility accessories thiab daim ntawv thov kev nyab xeeb |
| High Performance Reflective Khoom | 330-500 cd/lux/m² | Kev nyab xeeb khaub ncaws thiab kev lag luam PPE |
| Premium Microprismatic Reflective Khoom | 500+ cd/lux/m² | Siab - daim ntawv thov kev pom kev pheej hmoo yuav tsum tau ncua kev tshawb pom deb |
Thaum ntsuam xyuas cov ntaub nplaum zoo nkauj, cov neeg yuav khoom yuav tsum tsis txhob sib piv cov nqi pib ntawm RA. Cov khoom siv uas muaj kev cuam tshuam loj heev tab sis tsis muaj zog tuaj yeem ua haujlwm tsis zoo tom qab ntxuav, puas, lossis UV raug.
Common Reflective Performance Failure Mechanisms
Optical Layer Damage:Kev puas tsuaj los yog tshuaj lom neeg tuaj yeem ua rau cov iav hlaws lossis cov qauv microprismatic, txo cov teeb pom kev zoo.
Deg Contamination:Plua plav, roj, lossis txheej txheej residue tuaj yeem txo qhov kev ua haujlwm ntawm qhov muag los ntawm kev thaiv cov ntsiab lus cuam tshuam.
Kev tiv thaiv txheej txheem degradation:UV raug thiab rov ntxuav dua tuaj yeem txo qhov pom tseeb thiab qis dua RA.
Rau cov ntawv thov PPE, kev ua haujlwm zoo yuav tsum raug soj ntsuam ua ke nrog cov qauv kev hnav khaub ncaws xws lireflective daim kab xevcov kev cai siv nyob rau hauv high visibility workwear systems.
Thaum tshav kub kub hloov Bonding txheej txheem thiab Adhesion Performance Analysis
Cov txheej txheem kev sib txuas txiav txim siab seb puas yog hlau- ntawm daim kab xev xaim xaim xaim tseem txuas nrog rau cov ntaub ntawv hauv qab thaum ntxuav, ncab, thiab kev ntxhov siab. Adhesive xaiv, ua kom kub, siab, thiab lub sij hawm sib txuas ncaj qha cuam tshuam qhov kawg adhesion zog.
Thaum tshav kub kub hloov Bonding Parameters
| Parameter | Hom kab mob | Kev cuam tshuam rau kev ua haujlwm |
|---|---|---|
| Ua kom kub kub | 120-180 degree | Tswj cov nplaum melting thiab nto nkag |
| Bonding Siab | 0.2-0.5 MPa ntau yam | Influences nplaum qhov chaw tiv tauj |
| Lub Sijhawm Ua Haujlwm | 10-30 vib nas this | Muaj feem xyuam rau kev ua kom nplaum thiab lub zog kawg |
| Peel zog | Kev ntsuam xyuas ntau yam: 5-15 N / 16mm | Indicates tiv thaiv delamination |
Adhesion Failure Analysis
| Ua Tsis Taus | Kev cuam tshuam kev ua haujlwm | Txoj kev tiv thaiv |
|---|---|---|
| Kev ua kom kub tsis txaus | Kev sib txuas tsis muaj zog thiab ntug lifting | Txheeb xyuas qhov kub, siab, thiab lub sijhawm sib txuas |
| Npuag Deg Contamination | Txo qhov nplaum qhov chaw sib cuag | Ntxuav substrate ua ntej thov |
| Adhesive Compatibility tsis raug | Delamination tom qab ntxuav | Xaiv cov nplaum raws li textile muaj pes tsawg leeg |
| Tshaj kub heev | Npuag deformation los yog nplaum degradation | Validate bonding kub los ntawm kev sim |
Rau polyester, nylon, thiab coated fabrics, nplaum chemistry yuav tsum tau sib phim nrog substrate nto zog. Kev sib txuam tsis raug tuaj yeem ua rau ua tsis tiav thaum ntxov txawm tias qhov kev ua tau zoo raws li qhov tshwj xeeb.
Ntxuav Durability thiab Environmental Resistance Test
Ntxuav durability yog ib qho tseem ceeb tshaj plaws ntawm kev ntsuam xyuas rau hlau- ntawm daim kab xev xaim xaim siv hauv kev nyab xeeb khaub ncaws. Kev rov ntxuav dua tuaj yeem cuam tshuam qhov ci ntsa iab, nplaum nplaum, thiab cov qauv textile.
Cov neeg yuav khoom tshaj lij feem ntau ntsuas kev ua tau zoo tom qab 25, 50, lossis 75 lub voj voog ntxhua nyob ntawm cov khoom siv thiab cov kev pabcuam.
Ntxuav Kev Ntsuam Xyuas Kev Ua Haujlwm
| Cov khoom kuaj | Txheem / Txoj Kev | Kev kuaj mob | Kev ntsuas ntsuas |
|---|---|---|---|
| Reflective Retention | TS EN ISO 6330 Kev ntxuav simulation | 25-75 lub voj voog ntxuav | Khaws qhov feem pua ntawm cov nqi qub RA |
| Adhesion Retention | Peel zog sib piv | Ua ntej thiab tom qab ntxuav | Tsis muaj qhov tseem ceeb delamination lossis ntug lifting |
| Cov tsos mob Stability | Kev tshuaj xyuas qhov muag | Tom qab rov ntxuav dua | Tsis muaj cracking, tev, los yog nto puas |
Environmental Resistance Factors
Reflective webbing daim kab xev siv sab nraum zoov yuav raug UV raug, av noo, kub hloov, thiab puas. Cov xwm txheej no tuaj yeem maj mam txo qhov kev ua haujlwm kho qhov muag thiab kho qhov muag.
Kev tiv thaiv UV:Polymer degradation yuav txo tau yooj yim thiab reflective txheej stability.
Moisture Exposure:Cov nplaum nplaum tsis zoo tuaj yeem nqus dej noo thiab ua kom tsis muaj zog.
Tsawg kub:Qee cov khaubncaws sab nraud povtseg tuaj yeem hloov tau yooj yim dua hauv qab khov.
Abrasion:Nto hnav tuaj yeem ua rau cov qauv kho qhov muag puas thiab txo cov nqi RA.
Kev ntsuas kev ua tau zoo ntawm cov tshuab: Tensile Strength, Flexibility thiab hnav tsis kam
Kev ua tau zoo ntawm cov tshuab txiav txim siab seb cov hlau puas yog - ntawm daim kab xev xaim xaim xaim tuaj yeem ua kom muaj kev ncaj ncees thaum rov khoov, ncab, tuav, thiab tawm sab nraum zoov. Tsis zoo li cov yeeb yaj kiab uas muaj kev cuam tshuam rau ntawm qhov chaw tiaj tus, qhov cuam tshuam lub webbing yuav tsum sib txuas cov khoom siv kho qhov muag nrog cov khoom siv textile.
Rau PPE cov chaw tsim khoom thiab cov neeg lag luam, kev tshuaj xyuas txhua yam yuav tsum suav nrog lub zog tensile, elongation, hloov tau yooj yim, tsis kam tiv thaiv, thiab qhov ruaj khov. Cov kev ntsuas no qhia seb qhov cuam tshuam puas tuaj yeem tiv taus kev ua haujlwm tiag tiag.
Tensile Strength thiab Elongation ntsuam xyuas
Kev ntsuas tensile ntsuas qhov siab tshaj plaws quab yuam cov qauv webbing tuaj yeem tiv taus ua ntej tawg. Qhov kev sim no feem ntau ua raws li cov qauv kev tensile xws li ISO 13934 lossis ASTM D5034 nyob ntawm cov khoom siv thiab cov txheej txheem kuaj.
| Performance Parameter | Txoj Kev Xeem | Hom Engineering Range | Lub Hom Phiaj Kev Ntsuas Tus Neeg Yuav Khoom |
|---|---|---|---|
| Tensile zog | ISO 13934 / ASTM D5034 Cov Ntawv Pov Thawj | 300-1800 N nyob ntawm qhov dav thiab kev tsim kho | Ntsuam xyuas load kuj ntawm webbing qauv |
| Elongation ntawm Break | Tensile Extension ntsuas | 10% - 30% raug ntau yam | Qhia tau yooj yim thiab deformation tus cwj pwm |
| Thickness kam rau ua | Kev ntsuas thickness | ± 5% - 10% nyob ntawm qhov tshwj xeeb | Tswj cov ntawv thov sib xws |
| Dimensional Stability | Kev ntsuas kub thiab noo noo | Tsawg shrinkage tom qab txias | Tiv thaiv qhov sib txawv me me thaum lub sij hawm tsim khoom |
Flexibility thiab Bending Resistance
Reflective webbing daim kab xev siv rau ntawm cov ris tsho thiab cov khoom siv yuav tsum muaj kev yoog raws vim cov neeg ua haujlwm nquag khoov, ncab, thiab txav mus los thaum ua haujlwm. Kev nruj nruj heev tuaj yeem txo qhov kev nplij siab thiab tsim cov ntsiab lus kev ntxhov siab nyob ib puag ncig seams thiab qhov chaw txuas.
Kev ntsuam xyuas yooj yim ib txwm suav nrog kev sim rov kho dua, kev soj ntsuam saum npoo, thiab kev sib piv kev ua haujlwm zoo ua ntej thiab tom qab kev ntxhov siab.
Abrasion Resistance thiab Wear Performance
| Cov khoom kuaj | Txoj Kev Xeem | Ntsuas qhov tshwm sim | Failure Risk |
|---|---|---|---|
| Abrasion Resistance | Martindale los yog rotary abrasion testing | Cycles kom txog thaum pom kev puas tsuaj | Poob ntawm reflective txheej los yog nto tawg |
| Flex Crack Resistance | Rov ua dua kev ntsuas kev khoov | Number ntawm dabtsi yog khoov voj voog | Reflective txheej tawg |
| Nto Hnav | Kev kuaj pom thiab kho qhov muag | RA tus nqi hloov tom qab puas | Txo qhov pom kev hmo ntuj |
Mechanical Failure Mechanisms
Kev puas tsuaj ntawm Webbing Fiber:Kev thauj khoom ntau dhau lossis tsis txaus lub zog tensile tuaj yeem ua rau cov xov paj puas thiab txo cov qauv kev ntseeg tau.
Reflective Txheej Cracking:Rov qab khoov kev ntxhov siab tuaj yeem ua rau cov txheej txheem kho qhov muag puas thiab txo qis kev ua haujlwm rov qab.
Ntug Fraying:Kev txiav tsis zoo lossis kev kho ntug tsis txaus yuav ua rau muaj qhov tsis txaus ntseeg thaum siv.
Adhesive Fatigue:Rov qab deformation tuaj yeem ua rau tsis muaj zog ntawm kev sib txuas ntawm cov yeeb yaj kiab thiab cov khoom siv hauv tsev.
Thaum xaiv cov ntaub qhwv ntsej muag rau cov ntawv thov kev lag luam, cov neeg yuav khoom yuav tsum ntsuas cov khoom siv kho qhov muag ua ke nrog kev ua haujlwm kho qhov muag vim tias qhov cuam tshuam yuav tsum nyob twj ywm pom thoob plaws hauv nws lub neej kev pab cuam.
OEM Customization Requirements rau Reflective Webbing Production
OEM reflective webbing txoj kev loj hlob yuav tsum muaj kev sib koom tes ntawm kev xaiv cov khoom, optical kev ua tau zoo lub hom phiaj, textile tsim, nplaum compatibility, thiab ntau lawm zoo tswj. Cov kws tshaj lij cov neeg yuav khoom feem ntau ntsuas cov neeg muag khoom raws li kev muaj peev xwm engineering es tsis yog cov khoom muag nkaus xwb.
Key OEM Specification Parameters
| Customization khoom | Muaj Kev Xaiv | Kev xav txog engineering |
|---|---|---|
| Webbing Base Khoom | Polyester, nylon, customized textile lug | Txiav txim siab tensile zog, yooj, thiab durability |
| Reflective Technology | iav hlaws, microprismatic, customized optical txheej | Tswj RA kev ua tau zoo thiab pom qhov deb |
| Kev xaiv dav | 10mm, 15mm, 20mm, 25mm, 50mm thiab customized ntau thiab tsawg | Muaj feem xyuam rau daim ntawv thov txheej txheem thiab thaj chaw pom kev |
| Rov qab Adhesive | Thaum tshav kub kub hloov nplaum tshuab | Yuav tsum sib phim cov tsoos tsho ntaub muaj pes tsawg leeg |
| Xim xaiv | Nyiaj, fluorescent ua ke, kev cai xim | Yuav tsum muaj kev ntsuam xyuas xim sib xws |
OEM Kev Txhim Kho thiab Kev Ua Haujlwm Zoo
Cov txheej txheem OEM txhim khu kev qha ib txwm suav nrog kev lees paub tshwj xeeb, kuaj cov khoom siv, kev ntsuas tus qauv, kev tsim cov qauv tsim, thiab kev tshuaj xyuas ntau yam.
- Kev tshuaj xyuas tshwj xeeb suav nrog qhov dav, cov qauv khoom siv, lub hom phiaj xav tau, thiab daim ntawv thov txheej txheem.
- Laboratory ntsuam xyuas ntawm kev ua tau zoo, adhesion zog, thiab mechanical zog.
- Prototype validation ntawm qhov kawg substrate xws li polyester ntaub, nylon ntaub, los yog coated textile.
- Kev tshuaj xyuas ntau lawm kom tswj tau cov batch-rau-batch sib xws.
Rau kev ua raws li cov khoom xav tau, cov neeg yuav khoom tuaj yeem ntsuascov khoom siv reflectiveRaws li qhov xav tau kev ua haujlwm kho qhov muag, textile compatibility, thiab ntim ntau lawm.
Kev Tswj Xyuas Kev Ua Haujlwm Zoo
| Kev Tswj Xyuas Qhov Zoo | Kev soj ntsuam tsom | Siv Parameter |
|---|---|---|
| Raw Material Inspection | Zaj duab xis, nplaum, thiab webbing sib xws | Thickness, tsos, khoom specification |
| Cov txheej txheem ntau lawm tswj | Thaum tshav kub kub hloov pauv kub thiab siab | Daim ntawv pov thawj parameter |
| Cov khoom tiav kev xeem | Reflectivity thiab mechanical kev ua tau zoo | RA tus nqi, tev lub zog, tensile zog |
| Kev tshuaj xyuas Batch | Kev tsim khoom sib xws | Xim, qhov loj me, kev sib piv kev ua haujlwm kho qhov muag |
Kev ntsuam xyuas kev txhawb nqa rau Reflective Webbing Tape Projects
Topmatched muab OEM txoj kev loj hlob thiab ntau lawm kev txhawb nqa rau reflective webbing daim kab xev, reflective textile Cheebtsam, thiab customized visibility khoom. Peb cov txheej txheem engineering suav nrog kev xaiv cov khoom siv, kev ntsuas kev ua haujlwm kho qhov muag, kev ntsuas kub hloov pauv kev sib raug zoo, thiab kev tswj hwm kev tsim khoom.
Cov neeg yuav khoom tuaj yeem xa cov kev qhia tshwj xeeb nrog rau qhov dav webbing, lub hom phiaj RA kev ua tau zoo, daim ntawv thov ntaub, kev xav tau ntxhua, thiab ntau lawm rau kev ntsuam xyuas. Peb pab neeg tuaj yeem tshuaj xyuas cov qauv tsim nyog thiab pom zoo cov kev daws teeb meem raws li kev thov.
Cov lus nug nquag
Yuav ua li cas cov neeg yuav khoom yuav ntsuas qhov cuam tshuam lub webbing daim kab xev ua ntej ntau lawm?
Cov neeg yuav khoom yuav tsum ntsuas tus nqi RA, lub zog adhesion, tensile kev ua tau zoo, thiab kev ntxuav lub zog ua ntej kev pom zoo. Kev ntsuam xyuas ib txwm suav nrog kev ntsuas rov qab hauv cd / lux / m², tev lub zog kuaj hauv N / 16mm, thiab kev sib piv ua haujlwm tom qab 25-75 lub voj voog ntxhua.
Dab tsi ua rau hlau- ntawm daim kab xev xaim xaim xaim tom qab ntxuav khaub ncaws?
Peeling feem ntau tshwm sim los ntawm kev xaiv cov nplaum tsis raug, ua kom tsis muaj cua sov, cov ntaub ntawv tsis huv, lossis qhov tsis zoo ntawm kev sib txuas. Cov neeg yuav khoom yuav tsum ntsuas qhov ntsuas kub, siab, thiab tev lub zog ua haujlwm siv cov tsoos tsho zaum kawg ua ntej ntau lawm.
Cov qauv kev cuam tshuam lub webbing twg yog qhov tsim nyog rau kev pom kev nyab xeeb siab?
Kev xaiv nyob ntawm seb qhov yuav tsum tau pom, kev ntxhua khaub ncaws, thiab kev siv ib puag ncig. Cov qauv microprismatic feem ntau muab RA qhov tseem ceeb tshaj 330 cd / lux / m², thaum iav hlaws tshuab yuav raug xaiv rau saj zawg zog thiab tus nqi - tswj kev nyab xeeb daim ntaub ntawv.
