Umbhoshongo wokudlulisa uyisakhiwo eside, ngokuvamile umbhoshongo we-steel lattice, osetshenziselwa ukusekela ulayini wamandla ongaphezulu.Sinikezela ngale mikhiqizo ngosizo lwabasebenzi abakhuthele abanesipiliyoni esikhulu kulo mkhakha.Sidlula ocwaningweni oluningiliziwe lwemigqa, amamephu emizila, ukubonwa kwemibhoshongo, ukwakheka kweshadi kanye nedokhumenti yesu ngenkathi sinikeza le mikhiqizo.