Building construction, repair, installation, and maintenance services of material handling chutes, namely, dust chutes, trash chutes, rubbish chutes, linen chutes, soiled linen chutes, laundry chutes, demolition chutes, and debris chutes

Manufacturing services for others in the field of material handling chutes, namely, dust chutes, trash chutes, rubbish chutes, linen chutes, soiled linen chutes, laundry chutes, demolition chutes, and debris chutes