Maintenance and repair of plumbing; maintenance of septic systems; industrial and commercial cleaning services; installation, maintenance and repair of sewerage systems; cleaning services; waste removal [cleaning]; waste disposal for others [cleaning service]; waste disposal being cleaning services [environmental remediation services]; environmental remediation services, namely, waste disposal [cleaning services]; removal of debris from buildings; drain cleaning services; septic tank pumping and cleaning; installation of septic tanks; providing information relating to septic tank cleaning services; repair of machines for treating organic waste; plumbing services; services of electricians; installation, maintenance and repair of gas, electricity and water supply apparatus; plumbing maintenance advisory services; maintenance services; construction services; installation and repair services; providing information, advice and consultancy in relation to all the aforesaid services; including provision of all the aforesaid services online, via a website, the internet, global computer networks or other computer networks, by electronic means or wireless technology, or accessible by mobile phones or other internet-enabled devices