Contact: Hector Piccin

            Panamericana KM 27 - esq Quitanilla

Don-Torcuato

            Buenos Aires, Argentina

            Phone: (54-11) 4741-5226

Brazil

                Colli Drill

                Contact: Edson Alfani

                Rua Siqueira Bueno-311 Barrio Belem 

Sao Paulo, Brazil CEP03059 - 010

            Phone: (55-11) 2291-1000