18 / 44 Step Puja

Central steps of puja include:

1)    achamana, water sipping for purification;
2)    Ganapati prarthana, prayers to Ganesha;
3)    sankalpa, declaration of intent;
4)    ghanta, ringing bell, inviting devas and dismissing asuras;
5)    avahana, inviting the Deity ;
6)    mantras and dhyana, meditating on the Deity;
7)    svagata, welcoming;
8)    namaskara, obeisance;
9)    arghyam, water offerings;
10) pradakshina, circumambulation;
11) abhisheka, bathing the murti;
12) dhupa, incense-offering;
13) dipa, offering lights;
14) naivedya, offering food;
15) archana, chanting holy names;
16) arati, final offering of lights;
17) prarthana, personal requests;
18) visarjana, dismissal-farewell.

http://ekmev.com/z_english_ganeshpuja.htm