Kubalwa kwempheme noma tintfo tempheme
Ucelwa kutsi ukhombise tilinganiso letidzingekako ngemamilimitha
X - bubanti be-visor
Y - kuphakama kwe-visor
Z - budze be-visor
Loluhlelo lwentelwe kubala tintfo te-semicircular canopy noma umpheme.
Ngenca yekubalwa, ungatfola ubude kanye nendzawo visor. Futsi umkhawulo we-arc ye-canopy.